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Debian 11 DLA-4508-1 NSS Integer Overflow CVE-2026-2781

debian lts
Calendar Grey March 25, 2026
Dist Debian Esm H88
Integer overflow in NSS library on Debian 11 fixed. Upgrade recommended for security.
Clay Ver Valen discovered an integer overflow in the AES-GCM implementation of the Mozilla Network Security Service libraries
Topics%20covered

Topics Covered

security advisory debian mozilla integer overflow upgrade NSS

Summary

For Debian 11 bullseye, this problem has been fixed in version
2:3.61-1+deb11u5.

We recommend that you upgrade your nss packages.

For the detailed security status of nss please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/nss

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
important
Lowest
Low
Medium
High
Critical

Package: nss
Version: 2:3.61-1+deb11u5
CVE ID: CVE-2026-2781

Topics%20covered

Topics Covered

security advisory debian mozilla integer overflow upgrade NSS

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