PHP 5.6

Status EOLSupport 2014-08 – 2018-12Latest 5.6.40Vulnerabilities 223← All PHP versions
Critical 10.0
2015-01-28< 5.6.6

glibc: __nss_hostname_digits_dots() heap-based buffer overflow

KEV Unfixed
2024-06-09≤ 5.6.40

Argument Injection in PHP-CGI

Critical 9.8
2016-05-16< 5.6.8

php: type confusion issue in unserialize() with various SOAP methods

Critical 9.8
2016-05-16< 5.6.12

php: type confusion issue in Soap Client call() method

Critical 9.8
2016-05-16< 5.6.8

php: type confusion issue in unserialize() with various SOAP methods

Critical 9.8
2016-07-25< 5.6.24

php: Out-of-bounds access in locale_accept_from_http

Critical 9.8
2016-05-22< 5.6.21

php: Out-of-bounds heap memory read in exif_read_data() caused by malformed input

Critical 9.8
2016-05-22< 5.6.21

php: xml_parse_into_struct() can crash when XML parser is re-used

Critical 9.8
2015-12-02< 5.6.18

pcre: Integer overflow caused by missing check for certain conditions (8.38/31)

Critical 9.8
2016-07-25< 5.6.24

php: Out-of-bounds access in exif_process_IFD_in_MAKERNOTE

Critical 9.8
2016-08-07< 5.6.23

php: Use After Free Vulnerability in PHP's GC algorithm and unserialize

Critical 9.8
2016-05-16< 5.6.18

php: buffer overflow in handling of long link names in tar phar archives

Critical 9.8
2016-05-22< 5.6.12

php: Zend/zend_exceptions.c does not validate certain Exception objects

Critical 9.8
2016-07-25< 5.6.24

php: Use after free in unserialize() with Unexpected Session Deserialization

Critical 9.8
2016-05-16< 5.6.10

Critical 9.8
2016-08-07< 5.6.23

php: Int/size_t confusion in SplFileObject::fread

Critical 9.8
2016-05-22< 5.6.21

php: bcpowmod accepts negative scale causing heap buffer overflow corrupting _one_ definition

Critical 9.8
2016-05-22< 5.6.21

php: Out-of-bounds heap memory read in exif_read_data() caused by malformed input

Critical 9.8
2016-05-16< 5.6.13

php: multiple unserialization use-after-free issues

Critical 9.8
2016-05-20< 5.6.20

php: Invalid memory write in phar on filename containing \0 inside name

Critical 9.8
2016-05-16< 5.6.8

php: Incomplete Class unserialization type confusion

Critical 9.8
2016-05-16< 5.6.11

php: Use-after-free vulnerability in the spl_ptr_heap_insert function

Critical 9.8
2016-05-20< 5.6.20

php: mb_strcut() Negative size parameter in memcpy

Critical 9.8
2016-04-26< 5.6.21

php: Signedness vulnerability causing heap overflow in libgd

Critical 9.8
2016-08-07< 5.6.23

php: Integer Overflows in mcrypt_generic() and mdecrypt_generic() resulting in heap overflows

Critical 9.8
2015-12-02< 5.6.18

pcre: Buffer overflow caused by lookbehind assertion (8.38/6)

Critical 9.8
2015-12-02< 5.6.18

pcre: Buffer overflow caused by repeated conditional group (8.38/3)

Critical 9.8 Unfixed
2019-03-08≤ 5.6.40

php: Uninitialized read in exif_process_IFD_in_TIFF

Critical 9.8
2016-05-22< 5.6.21

php: OOB read in grapheme_stripos and grapheme_strpos when negative offset is used

Critical 9.8
2016-08-07< 5.6.23

php: Double free in _php_mb_regex_ereg_replace_exec

Critical 9.8
2016-05-16< 5.6.11

php: segmentation fault in Phar::convertToData on invalid file

Critical 9.8
2016-05-16< 5.6.13

php: use-after-free vulnerability in session deserializer

Critical 9.8
2015-12-02< 5.6.18

pcre: infinite recursion in JIT compiler when processing certain patterns (8.38/21)

Critical 9.8
2016-05-22< 5.6.25

php: Double free vulnerability in error condition of format printer

Critical 9.8
2015-12-02< 5.6.18

pcre: inefficient posix character class syntax check (8.38/16)

Critical 9.8
2016-03-31< 5.6.19

php: Use after free in WDDX Deserialize when processing XML data

Critical 9.8
2016-09-28< 5.6.26

php: Integer overflow in gdImageWebpCtx

Critical 9.8
2016-07-25< 5.6.24

php: Heap buffer overflow vulnerability in simplestring_addn in simplestring.c

Critical 9.8
2016-05-16< 5.6.7

php: type confusion issue in unserialize() with various SOAP methods

Critical 9.8
2016-05-20< 5.6.20

php: Format string vulnerability in php_snmp_error()

Critical 9.8
2016-07-25< 5.6.24

php: Use after free in SNMP with GC and unserialize()

Critical 9.8
2016-08-07< 5.6.23

php: Double Free Corruption in wddx_deserialize

Critical 9.8
2016-08-07< 5.6.24

php: ZipArchive class Use After Free Vulnerability in PHP's GC algorithm and unserialize

Critical 9.8
2016-05-16< 5.6.10

php: integer overflow in ftp_genlist() resulting in heap overflow (improved fix for CVE-2015-4022)

Critical 9.8
2016-05-22< 5.6.21

php: Out-of-bounds heap memory read in exif_read_data() caused by malformed input

Critical 9.8
2015-12-02< 5.6.18

pcre: uninitialized memory read triggered by malformed posix character class (8.38/22)

Critical 9.8
2016-05-16< 5.6.8

php: exception:: getTraceAsString type confusion issue after unserialize

Critical 9.8
2016-05-22< 5.6.21

php: OOB read in grapheme_stripos and grapheme_strpos when negative offset is used

Critical 9.8 Unfixed
2017-05-12≤ 5.6.40

php: Overflowing the length of string causes crash

Critical 9.8
2017-01-04< 5.6.28

php: Stack based buffer overflow in dynamicGetbuf

Critical 9.8
2017-01-04< 5.6.27

php: Use after free in unserialize()

Critical 9.8
2017-01-04< 5.6.28

php: Use after free in unserialize() via DateInterval::__wakeup()

Critical 9.8
2019-11-26< 5.3.6

Critical 9.8
2020-02-19< 5.6.1

php: post handler potential illegal efree() vulnerability

Critical 9.8
2017-06-08< 5.6.23

php: Invalid free() instead of efree() in phar_extract_file()

Critical 9.8
2016-09-12< 5.6.25

php: wddx_deserialize allows illegal memory access

Critical 9.8
2016-09-12< 5.6.25

php: imagegammacorrect allows arbitrary write access

Critical 9.8
2016-09-12< 5.6.25

php: select_colors write out-of-bounds

Critical 9.8
2016-09-12< 5.6.25

php: bypass __wakeup() in deserialization of an unexpected object

Critical 9.8
2016-09-17< 5.6.26

php: Use after free in wddx_deserialize

Critical 9.8
2016-09-17< 5.6.26

php: Memory corruption when destructing deserialized object

Critical 9.8
2016-09-17< 5.6.26

php: Missing type check when unserializing SplArray

Critical 9.8
2016-09-17< 5.6.26

php: Out of bounds heap read when verifying signature of zip phar in phar_parse_zipfile

Critical 9.8
2017-01-04< 5.6.29

php: Invalid read when wddx decodes empty boolean element

Critical 9.8
2017-01-24< 5.6.30

php: Off-by-one error in phar_parse_pharfile when loading crafted phar archive

Critical 9.8
2017-05-24< 5.6.31

oniguruma: Out-of-bounds heap write in bitset_set_range()

Critical 9.8
2017-05-24< 5.6.31

oniguruma: Out-of-bounds stack read in mbc_enc_len() during regular expression searching

Critical 9.8
2017-05-24< 5.6.31

oniguruma: Heap buffer overflow in next_state_val() during regular expression compilation

Critical 9.8
2017-05-24< 5.6.31

oniguruma: Out-of-bounds stack read in match_at() during regular expression searching

Critical 9.8
2017-08-18< 5.6.31

php: buffer over-read in finish_nested_data function

Critical 9.8
2016-01-03< 5.6.32

pcre: heap buffer overflow in handling of duplicate named groups (8.39/14)

Critical 9.8
2018-03-01< 5.6.34

php: Stack-based buffer under-read in php_stream_url_wrap_http_ex() in http_fopen_wrapper.c when parsing HTTP response

Critical 9.8
2019-02-22< 5.6.40

php: Invalid memory access in function xmlrpc_decode()

Critical 9.8
2019-02-22< 5.6.40

php: Heap-based buffer over-read in PHAR reading functions

Critical 9.8
2019-02-22< 5.6.40

php: Heap-based buffer over-read in mbstring regular expression functions

Critical 9.6
2016-05-22< 5.6.6

php: libxml_disable_entity_loader setting is shared between threads

Critical 9.1
2016-01-19< 5.6.17

php: Out-of-bounds memory read via gdImageRotateInterpolated

Critical 9.1
2016-08-07< 5.6.17

php: out-of-bounds write in fpm_log.c

Critical 9.1
2017-07-10< 5.6.30

php: Out-of-bounds read in phar_parse_pharfile

High 8.8
2016-08-07< 5.6.23

gd: Integer overflow in _gd2GetHeader() resulting in heap overflow

High 8.8
2016-08-07< 5.6.23

gd: Integer Overflow in gdImagePaletteToTrueColor() resulting in heap overflow

High 8.8
2018-11-25< 5.6.38

High 8.8
2016-07-25< 5.6.24

php: Stack-based buffer overflow vulnerability in php_stream_zip_opener

High 8.8
2016-05-22< 5.6.18

php: Uninitialized pointer in phar_make_dirstream()

High 8.8
2016-05-22< 5.6.18

php: use of uninitialized pointer in PharFileInfo::getContent

High 8.8
2018-04-29< 5.6.36

php: Out-of-bounds read in ext/exif/exif.c:exif_read_data() when reading crafted JPEG data

High 8.8
2019-01-27< 5.6.40

gd: Heap-based buffer overflow in gdImageColorMatch() in gd_color_match.c

High 8.6
2016-08-07< 5.6.22

php: improper nul termination leading to out-of-bounds read in get_icu_value_internal

High 8.6
2016-08-07< 5.6.22

php: Integer overflow in php_filter_full_special_chars

High 8.6
2016-08-07< 5.6.22

php: Integer overflow in php_html_entities()

High 8.6
2016-08-07< 5.6.22

php: Integer underflow causing arbitrary null write in fread/gzread

High 8.2
2016-03-31< 5.6.19

php: Out-of-bounds read in phar_parse_zipfile()

High 8.1
2016-07-19< 5.6.24

PHP: sets environmental variable based on user supplied Proxy request header

High 8.1
2016-09-17< 5.6.26

php: Heap overflow in mysqlnd when not receiving UNSIGNED_FLAG in BIT field

High 7.8
2016-07-25< 5.6.24

php: Integer overflow leads to buffer overflow in virtual_file_ex

High 7.8
2017-04-21< 5.6.24

php: Improper error handling in bzread()

High 7.8
2020-01-14< 5.6.9

pcre: heap buffer overflow in compile_branch()

High 7.8
2017-07-25< 5.6.31

php: Stack based 1-byte buffer over-write in zend_ini_do_op() function Zend/zend_ini_parser.c

High 7.6
2016-08-07< 5.6.22

gd: incorrect boundary adjustment in _gdContributionsCalc

High 7.5
2015-03-30< 5.6.6

php: use after free in phar_object.c

High 7.5
2015-03-30< 5.6.8

php: use after free in opcache extension

High 7.5
2014-10-29< 5.6.2

php: integer overflow in unserialize()

High 7.5
2014-12-20< 5.6.4

php: use after free vulnerability in unserialize()

High 7.5
2015-04-24< 5.6.10

sqlite: invalid free() in src/vdbe.c

High 7.5
2014-12-31< 5.6.4

php: Double-free in zend_ts_hash_graceful_destroy()

High 7.5
2015-03-30< 5.6.6

php: use after free vulnerability in unserialize() with DateTimeZone

High 7.5
2015-04-24< 5.6.10

sqlite: stack buffer overflow in src/printf.c

High 7.5
2015-04-24< 5.6.10

sqlite: use of uninitialized memory when parsing collation sequences in src/where.c

High 7.5
2015-03-30< 5.6.7

libzip: integer overflow when processing ZIP archives

High 7.5
2015-01-27< 5.6.5

php: use after free vulnerability in unserialize() (incomplete fix of CVE-2014-8142)

High 7.5
2015-03-30< 5.6.7

php: use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re

High 7.5
2015-03-30< 5.6.6

php: heap buffer overflow in enchant_broker_request_dict()

High 7.5
2015-03-30< 5.6.5

file: malformed elf file causes access to uninitialized memory

High 7.5
2015-01-03< 5.6.5

php: out of bounds read when parsing a crafted .php file

High 7.5
2016-05-16< 5.6.8

php: denial of service when processing a crafted file with Fileinfo

High 7.5
2016-05-16< 5.6.8

php: denial of service when processing a crafted file with Fileinfo

High 7.5
2016-05-20< 5.6.20

php: Integer overflow in php_raw_url_encode

High 7.5
2015-06-09< 5.6.9

php: integer overflow leading to heap overflow when reading FTP file listing

High 7.5
2016-01-19< 5.6.12

php: Files from archive can be extracted outside of destination directory using phar

High 7.5
2015-06-09< 5.6.7

php: SoapClient's __call() type confusion through unserialize()

High 7.5
2015-12-02< 5.6.18

pcre: pcregrep -q is not always quiet (8.38/28)

High 7.5
2015-06-09< 5.6.8

php: invalid pointer free() in phar_tar_process_metadata()

High 7.5
2016-05-22< 5.6.12

php: openssl_random_pseudo_bytes() is not cryptographically secure

High 7.5
2016-05-16< 5.6.13

php: NULL pointer dereference in XSLTProcessor class

High 7.5
2016-05-16< 5.6.13

php: NULL pointer dereference in XSLTProcessor class

High 7.5 Unfixed
2019-03-08≤ 5.6.40

php: File rename across filesystems may allow unwanted access during processing

High 7.5 Unfixed
2019-03-08≤ 5.6.40

php: Uninitialized read in exif_process_IFD_in_MAKERNOTE

High 7.5 Unfixed
2019-03-08≤ 5.6.40

php: Uninitialized read in exif_process_IFD_in_MAKERNOTE

High 7.5
2015-06-09< 5.6.8

php: buffer overflow in phar_set_inode()

High 7.5
2016-05-22< 5.6.12

gd: gdImageScaleTwoPass function in gd_interpolation.c uses inconsistent allocate and free approaches

High 7.5
2015-06-09< 5.6.9

php: regressions in 5.4+

High 7.5
2016-05-22< 5.6.12

php: odbc_bindcols function mishandles driver behavior for SQL_WVARCHAR columns

High 7.5
2016-05-16< 5.6.12

gd: gdImageFillToBorder deep recursion leading to stack overflow

High 7.5
2015-06-09< 5.6.9

php: pcntl_exec() accepts paths with NUL character

High 7.5
2016-08-07< 5.6.25

gd: Invalid color index not properly handled

High 7.5
2016-05-16< 5.6.12

php: Stack consumption vulnerability in Zend/zend_exceptions.c

High 7.5
2016-05-16< 5.6.10

php: NULL pointer dereference in php_pgsql_meta_data()

High 7.5
2017-01-11< 5.6.28

php: Unserialize Exception object can lead to infinite loop

High 7.5 Unfixed
2017-04-19≤ 5.6.40

High 7.5
2017-03-02< 5.6.28

php: Zend OPCache code permission/sensitive data protection issues

High 7.5
2017-07-10< 5.6.28

php: Incorrect handling of URI components in URL parser

High 7.5
2018-02-09< 5.6.17

php: Output of stream_get_meta_data can be falsified by its input

High 7.5
2016-05-16< 5.6.0

file: root_storage NULL pointer deference flaw in CDF parser

High 7.5
2016-09-12< 5.6.25

php: wddx_deserialize null dereference in php_wddx_pop_element

High 7.5
2016-09-12< 5.6.25

php: wddx_deserialize null dereference with invalid xml

High 7.5
2016-09-12< 5.6.25

php: wddx_deserialize null dereference

High 7.5
2016-09-12< 5.6.25

php: Session Data Injection Vulnerability

High 7.5
2016-09-17< 5.6.26

php: Null pointer dereference in php_wddx_push_element

High 7.5
2016-09-17< 5.6.26

php: Stack based buffer overflow in msgfmt_format_message

High 7.5
2017-01-04< 5.6.28

php: NULL Pointer Dereference in WDDX Packet Deserialization with PDORow

High 7.5
2017-01-04< 5.6.28

gd: Stack overflow in gdImageFillToBorder on truecolor images

High 7.5
2017-01-24< 5.6.30

php: Out-of-bounds heap read on unserialize in finish_nested_data()

High 7.5
2017-01-24< 5.6.30

php: Integer overflow in phar_parse_pharfile

High 7.5
2017-01-24< 5.6.30

php: Wrong calculation in exif_convert_any_to_int function

High 7.5
2017-07-10< 5.6.31

php: Incorrect WDDX deserialization of boolean parameters leads to DoS

High 7.5
2017-07-10< 5.6.31

php: Incorrect return value check of OpenSSL sealing function leads to crash

High 7.5
2017-05-24< 5.6.31

oniguruma: Invalid pointer dereference in left_adjust_char_head()

High 7.5
2017-07-10< 5.6.31

php: wddx_deserialize() heap out-of-bound read via php_parse_date()

High 7.5
2017-07-10< 5.6.31

php: Denial-of-Service via injecting long form variables

High 7.5
2017-11-07< 5.6.32

php: Out-of-bound read in timelib_meridian()

High 7.5
2018-04-29< 5.6.36

php: NULL pointer dereference due to mishandling of ldap_get_dn return value allows DoS via malicious LDAP server reply

High 7.5
2018-04-29< 5.6.36

php: Infinite loop in ext/iconv/iconv.c when using stream filter with convert.incov on invalid sequence leads to denial-of-service

High 7.5
2018-08-03< 5.6.37

php: exif: integer overflow leading to out-of-bound buffer read in exif_thumbnail_extract()

High 7.5
2018-11-25< 5.6.39

php: imap_open() allows running arbitrary shell commands via mailbox parameter

High 7.5
2018-08-07< 5.6.37

High 7.5 Unfixed
2018-11-20≤ 5.6.40

High 7.5 Unfixed
2018-11-20≤ 5.6.40

php: Serializing or unserializing COM objects crashes

High 7.5
2018-12-07< 5.6.39

php: NULL pointer dereference in ext/imap/php_imap.c resulting in a denial of service

High 7.5
2019-02-21< 5.6.39

php: Buffer over-read in PHAR reading functions

High 7.5
2019-02-22< 5.6.40

php: Out-of-bounds read in base64_decode_xmlrpc in ext/xmlrpc/libxmlrpc/base64.c

High 7.4 Unfixed
2017-03-27≤ 5.6.40

php: potential SSRF via fsockopen

High 7.3
2014-12-31< 5.6.5

php: denial of service in libmagic/apprentice.c

High 7.3
2016-01-19< 5.6.12

php: Use After Free Vulnerability in unserialize()

High 7.3
2016-01-19< 5.6.11

php: buffer overflow and stack smashing error in phar_fix_filepath

High 7.3
2016-05-20< 5.6.20

file: Buffer over-write in finfo_open with malformed magic file

High 7.3
2016-01-19< 5.6.12

php: dangling pointer in the unserialization of ArrayObject items

High 7.3
2015-12-02< 5.6.18

pcre: Integer overflow in subroutine calls (8.38/8)

High 7.3
2016-01-19< 5.6.13

php: SOAP serialize_function_call() type confusion

High 7.1
2016-05-16< 5.6.12

php: Type confusion vulnerability in make_http_soap_request()

Medium 6.8
2014-10-29< 5.6.2

php: heap corruption issue in exif_thumbnail()

Medium 6.8
2015-01-27< 5.6.5

php: Free called on unitialized pointer in exif.c

Medium 6.8
2015-03-30< 5.6.7

regex: heap overflow in regcomp() on 32-bit architectures

Medium 6.8
2015-06-09< 5.6.8

php: pipelined request executed in deinitialized interpreter under httpd 2.4

Medium 6.8
2015-12-11< 5.6.21

php: uninitialized pointer in phar_make_dirstream()

Medium 6.8
2015-12-11< 5.6.14

php: NULL pointer dereference in phar_get_fp_offset()

Medium 6.5
2016-07-25< 5.6.24

php: Null pointer dereference in exif_process_user_comment

Medium 6.5
2016-08-12< 5.6.24

php,gd: Integer overflow error within _gdContributionsAlloc()

Medium 6.5 Unfixed
2018-02-19≤ 5.6.40

php: Infinite loop in php-fpm when restarting a child using program execution function

Medium 6.5 Unfixed
2022-09-28≤ 5.6.40

$_COOKIE names string replacement (. -> _): cookie integrity vulnerabilities

Medium 6.5
2016-05-16< 5.6.8

php: missing null byte checks for paths in various PHP extensions

Medium 6.5
2016-05-16< 5.6.10

php: missing null byte checks for paths in DOM and GD extensions

Medium 6.5
2017-08-02< 5.6.31

php: Buffer over-read from unitialized data in gdImageCreateFromGifCtx function

Medium 6.1
2016-08-07< 5.6.6

php: HTTP response splitting in header() function

Medium 6.1
2018-04-29< 5.6.36

php: Reflected XSS vulnerability on PHAR 403 and 404 error pages

Medium 6.1
2018-09-16< 5.6.38

php: Cross-site scripting (XSS) flaw in Apache2 component via body of 'Transfer-Encoding: chunked' request

Medium 6.1
2018-01-16< 5.6.33

php: Reflected XSS on PHAR 404 page

Medium 5.9
2016-05-22< 5.6.12

php: main/php_open_temporary_file.c does not ensure thread safety

Medium 5.9
2016-05-16< 5.6.11

mysql: use of SSL/TLS can not be enforced in mysql client library (oCERT-2015-003, BACKRONYM)

Medium 5.9
2016-05-16< 5.6.11

php: mysqlnd interface vulnerable to BACKRONYM

Medium 5.8
2015-06-09< 5.6.8

php: buffer over-read in Phar metadata parsing

Medium 5.5
2020-01-14< 5.6.9

pcre: heap buffer over-read in pcre_compile2() (8.37/23)

Medium 5.5
2018-08-02< 5.6.37

php: exif: Buffer over-read in exif_process_IFD_in_MAKERNOTE()

Medium 5.5
2018-01-16< 5.6.33

gd: Infinite loop in gdImageCreateFromGifCtx() in gd_gif_in.c

Medium 5.3
2016-05-16< 5.6.8

php: missing null byte checks for paths in various PHP extensions

Medium 5.3
2016-09-12< 5.6.25

php: Memory Leakage In exif_process_IFD_in_TIFF

Medium 5.1
2014-06-18< 5.6.0

php: heap-based buffer overflow in DNS TXT record parsing

Medium 5.0
2015-03-30< 5.6.5

gd: buffer read overflow in gd_gif_in.c

Medium 5.0
2015-03-30< 5.6.8

php: NULL pointer dereference in pgsql extension

Medium 5.0
2014-10-29< 5.6.2

php: xmlrpc ISO8601 date format parsing out-of-bounds read in mkgmtime()

Medium 5.0
2014-11-05< 5.6.3

file: out-of-bounds read in elf note headers

Medium 5.0
2015-03-30< 5.6.5

file: out of bounds read in mconvert()

Medium 5.0
2015-03-30< 5.6.7

php: move_uploaded_file() NUL byte injection in file name

Medium 5.0
2015-06-09< 5.6.7

php: SoapClient's do_soap_call() type confusion after unserialize()

Medium 5.0
2015-06-09< 5.6.9

php: multipart/form-data request parsing CPU usage DoS

Medium 5.0
2015-06-09< 5.6.9

php: memory corruption in phar_parse_tarfile caused by empty entry file name

Medium 4.7
2018-04-29< 5.6.35

php: Dumpable FPM child processes allow bypassing opcache access controls

Medium 4.6
2015-03-30< 5.6.7

php: predictable file name used for cache in world writeable directory

Medium 4.3
2016-05-22< 5.6.13

php: ZipArchive:: extractTo allows for directory traversal when creating directories

Low 3.6
2014-09-27< 5.6.1

php-pear: insecure temporary file use for cache data

Low 2.3 Unfixed
2022-09-28≤ 5.6.40

phar wrapper can occur dos when using quine gzip file

N/A
2017-03-15< 5.6.30

N/A
2017-03-15< 5.6.30

N/A
2017-03-15< 5.6.40