A security update has been released for the node-cipher-base package in both Debian GNU/Linux 12 and 13. The vulnerability, identified as CVE-2025-9287, was discovered by Nikita Skorovoda and affects the Node cipher-base due to incomplete type checks. To fix this issue, users are advised to upgrade their node-cipher-base packages to version 1.0.4-6+deb12u1 for the oldstable distribution (Bookworm) or version 1.0.4-6+deb13u1 for the stable distribution (Trixie).

[DSA 5986-1] node-cipher-base security update

[SECURITY] [DSA 5986-1] node-cipher-base security update

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Debian Security Advisory DSA-5986-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
August 26, 2025 https://www.debian.org/security/faq
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Package : node-cipher-base
CVE ID : CVE-2025-9287

Nikita Skorovoda discovered that Node cipher-base, an abstract base
class for crypto-streams, performed incomplete type checks.

For the oldstable distribution (bookworm), this problem has been fixed
in version 1.0.4-6+deb12u1.

For the stable distribution (trixie), this problem has been fixed in
version 1.0.4-6+deb13u1.

We recommend that you upgrade your node-cipher-base packages.

For the detailed security status of node-cipher-base please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/node-cipher-base

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/