| Name | CVE-2026-32935 |
| Description | phpseclib is a PHP secure communications library. Projects using versions 0.1.1 through 1.0.26, 2.0.0 through 2.0.51, and 3.0.0 through 3.0.49 are vulnerable to a to padding oracle timing attack when using AES in CBC mode. This issue has been fixed in versions 1.0.27, 2.0.52 and 3.0.50. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4518-1, DSA-6185-1, DSA-6186-1, DSA-6187-1 |
| Debian Bugs | 1131482, 1131483, 1131484 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php-phpseclib (PTS) | bullseye | 2.0.30-2+deb11u2 | vulnerable |
| bullseye (security) | 2.0.30-2+deb11u1 | vulnerable |
| bookworm | 2.0.42-1+deb12u5 | fixed |
| bookworm (security) | 2.0.42-1+deb12u3 | fixed |
| trixie | 2.0.48-3+deb13u3 | fixed |
| trixie (security) | 2.0.48-3+deb13u1 | fixed |
| forky, sid | 2.0.55-1 | fixed |
| php-phpseclib3 (PTS) | bookworm | 3.0.19-1+deb12u6 | fixed |
| bookworm (security) | 3.0.19-1+deb12u4 | fixed |
| trixie | 3.0.43-2+deb13u3 | fixed |
| trixie (security) | 3.0.43-2+deb13u1 | fixed |
| forky, sid | 3.0.55-1 | fixed |
| phpseclib (PTS) | bullseye | 1.0.19-3+deb11u2 | vulnerable |
| bullseye (security) | 1.0.19-3+deb11u3 | fixed |
| bookworm | 1.0.20-1+deb12u5 | fixed |
| bookworm (security) | 1.0.20-1+deb12u3 | fixed |
| trixie | 1.0.23-6+deb13u3 | fixed |
| trixie (security) | 1.0.23-6+deb13u1 | fixed |
| sid | 1.0.30-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg
Fixed by: https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788 (3.0.50, 2.0.52, 1.0.27)
