curl 8.5

Status EOLSupport 2023-12 – 2024-01Latest 8.5.0Vulnerabilities 22← All curl versions
High 8.6
2024-03-27≤ 8.5.0

HTTP/2 push headers memory-leak

High 7.3
2025-01-01≤ 8.5.0

gzip integer overflow

Medium 6.5 Unfixed
2026-03-11≤ 8.5.0

wrong proxy connection reuse with credentials

Medium 6.5 Unfixed
2026-03-11≤ 8.5.0

bad reuse of HTTP Negotiate connection

Medium 6.5
2024-03-27≥ 8.5.0

TLS certificate check bypass with mbedTLS

Medium 6.5
2024-09-11≤ 8.5.0

OCSP stapling bypass with GnuTLS

Medium 6.3 Unfixed
2026-01-08≤ 8.5.0

broken TLS options for threaded LDAPS

Medium 5.9
2024-11-06≤ 8.5.0

HSTS subdomain overwrites parent cache entry

Medium 5.3 Unfixed
2026-04-29≤ 8.5.0

curl: curl: Proxy credential disclosure via redirects to unauthenticated proxies

Medium 5.3 Unfixed
2026-04-29≤ 8.5.0

curl: curl: Information disclosure due to incorrect TLS connection reuse

Medium 5.3 Unfixed
2026-03-11≤ 8.5.0

token leak with redirect and netrc

Medium 5.3 Unfixed
2026-01-08≤ 8.5.0

libssh global known_hosts override

Medium 5.3 Unfixed
2026-01-08≤ 8.5.0

OpenSSL partial chain store policy bypass

Medium 5.3 Unfixed
2026-01-08≤ 8.5.0

bearer token leak on cross-protocol redirect

Medium 5.3
2024-02-03= 8.5.0

OCSP verification bypass with TLS session reuse

Medium 4.8 Unfixed
2025-05-28≤ 8.5.0

No QUIC certificate pinning with wolfSSL

Medium 4.3 Unfixed
2025-11-07≤ 8.5.0

missing SFTP host verification with wolfSSH

Low 3.5 Unfixed
2024-03-27≤ 8.5.0

Usage of disabled protocol

Low 3.4
2025-01-01≤ 8.5.0

netrc and default credential leak

Low 3.4
2024-12-11≤ 8.5.0

netrc and redirect credential leak

Low 3.1 Unfixed
2026-01-08≤ 8.5.0

libssh key passphrase bypass without agent set

N/A
2024-07-31≤ 8.5.0