CVE-2026-32935

php-seclib: phpseclib is a PHP secure communications library

CVE-2026-32935 is fixed in 4 products on 1 platform, first by php-seclib 1.0.9-1ubuntu0.1~esm2, released March 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.9
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0040
34th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
php-phpseclib · Debian 12.15 (bookworm) 2.0.42-1+deb12u3 DSA-6186-1 Mar 29, 2026
php-phpseclib · Debian 13.5 (trixie) 2.0.48-3+deb13u1 DSA-6186-1 Mar 29, 2026
php-phpseclib · Debian 14 2.0.52-1 DEBIAN-CVE-2026-32935 Mar 20, 2026
php-phpseclib · Ubuntu 18.04.6 LTS (bionic) 2.0.9-1ubuntu0.1~esm3 php-phpseclib 2.0.9-1ubuntu0.1~esm3 May 12, 2026
php-phpseclib · Ubuntu 20.04 LTS (focal) 2.0.23-2ubuntu0.1~esm3 php-phpseclib 2.0.23-2ubuntu0.1~esm3 May 12, 2026
php-phpseclib · Ubuntu 22.04.1 LTS (jammy) 2.0.36-1ubuntu0.1~esm3 php-phpseclib 2.0.36-1ubuntu0.1~esm3 May 12, 2026
php-phpseclib · Ubuntu 24.04.5 LTS (noble) 2.0.47-1ubuntu0.1~esm1 php-phpseclib 2.0.47-1ubuntu0.1~esm1 May 12, 2026
php-phpseclib · Ubuntu 26.04.1 LTS (resolute) 2.0.51-1ubuntu0.1~esm1 php-phpseclib 2.0.51-1ubuntu0.1~esm1 May 12, 2026
php-phpseclib3 · Debian 12.15 (bookworm) 3.0.19-1+deb12u4 DSA-6187-1 Mar 29, 2026
php-phpseclib3 · Debian 13.5 (trixie) 3.0.43-2+deb13u1 DSA-6187-1 Mar 29, 2026
php-phpseclib3 · Debian 14 3.0.50-1 DEBIAN-CVE-2026-32935 Mar 20, 2026
php-seclib · Ubuntu 18.04.6 LTS (bionic) 1.0.9-1ubuntu0.1~esm2 php-seclib 1.0.9-1ubuntu0.1~esm2 Mar 19, 2026
php-seclib · Ubuntu 20.04 LTS (focal) 1.0.18-2ubuntu0.1~esm2 php-seclib 1.0.18-2ubuntu0.1~esm2 Mar 19, 2026
php-seclib · Ubuntu 22.04.1 LTS (jammy) 1.0.20-1+deb12u3build0.22.04.1 php-seclib 1.0.20-1+deb12u3build0.22.04.1 Mar 19, 2026
php-seclib · Ubuntu 24.04.5 LTS (noble) 1.0.23-1ubuntu0.1~esm1 php-seclib 1.0.23-1ubuntu0.1~esm1 Mar 19, 2026
php-seclib · Ubuntu 26.04.1 LTS (resolute) 1.0.24-1ubuntu0.1~esm1 php-seclib 1.0.24-1ubuntu0.1~esm1 Mar 19, 2026
phpseclib · Debian 12.15 (bookworm) 1.0.20-1+deb12u3 DSA-6185-1 Mar 29, 2026
phpseclib · Debian 13.5 (trixie) 1.0.23-6+deb13u1 DSA-6185-1 Mar 29, 2026

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