CVE-2026-44167

NameCVE-2026-44167
Descriptionphpseclib is a PHP secure communications library. Prior to 1.0.29, 2.0.54, and 3.0.52, anyone loading untrusted ASN1 files (eg. X509 certificates, RSA PKCS8 private or public keys, etc). This is a bypass of CVE-2024-27355. This vulnerability is fixed in 1.0.29, 2.0.54, and 3.0.52.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php-phpseclib (PTS)bullseye2.0.30-2+deb11u2vulnerable
bullseye (security)2.0.30-2+deb11u1vulnerable
bookworm2.0.42-1+deb12u2vulnerable
bookworm (security)2.0.42-1+deb12u3vulnerable
trixie2.0.48-3vulnerable
trixie (security)2.0.48-3+deb13u1vulnerable
sid2.0.54-1fixed
php-phpseclib3 (PTS)bookworm3.0.19-1+deb12u3vulnerable
bookworm (security)3.0.19-1+deb12u4vulnerable
trixie3.0.43-2vulnerable
trixie (security)3.0.43-2+deb13u1vulnerable
sid3.0.52-2fixed
phpseclib (PTS)bullseye1.0.19-3+deb11u2vulnerable
bullseye (security)1.0.19-3+deb11u3vulnerable
bookworm1.0.20-1+deb12u2vulnerable
bookworm (security)1.0.20-1+deb12u3vulnerable
trixie1.0.23-6vulnerable
trixie (security)1.0.23-6+deb13u1vulnerable
sid1.0.29-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php-phpseclibsource(unstable)2.0.54-1
php-phpseclib3source(unstable)3.0.52-1
phpseclibsource(unstable)1.0.29-1

Notes

[trixie] - phpseclib <no-dsa> (Minor issue, will be fixed via point update)
[bookworm] - phpseclib <no-dsa> (Minor issue, will be fixed via point update)
[trixie] - php-phpseclib <no-dsa> (Minor issue, will be fixed via point update)
[bookworm] - php-phpseclib <no-dsa> (Minor issue, will be fixed via point update)
[trixie] - php-phpseclib3 <no-dsa> (Minor issue, will be fixed via point update)
[bookworm] - php-phpseclib3 <no-dsa> (Minor issue, will be fixed via point update)
https://github.com/phpseclib/phpseclib/security/advisories/GHSA-3qpq-r242-jqj7
Fixed by: https://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc (3.0.52, 2.0.54, 1.0.29)

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