Home / mailings [SECURITY] [DSA 6187-1] php-phpseclib3 security update
Posted on 29 March 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6187-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
March 29, 2026 https://www.debian.org/security/faq
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Package : php-phpseclib3
CVE ID : CVE-2026-32935
It was discovered that the AES-CBC implementation in the PHP Secure
Communications Library was susceptible to a padding oracle timing attack.
For the oldstable distribution (bookworm), these problems have been fixed
in version 3.0.19-1+deb12u4. This update also fixes CVE-2023-52892.
For the stable distribution (trixie), these problems have been fixed in
version 3.0.43-2+deb13u1.
We recommend that you upgrade your php-phpseclib3 packages.
For the detailed security status of php-phpseclib3 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/php-phpseclib3
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
