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[USN-7746-1] cipher-base vulnerability

Posted on 11 September 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7746-1
September 11, 2025

node-cipher-base vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

cipher-base could be made to stall or return incorrect hash values if it
received specially crafted input.

Software Description:
- node-cipher-base: abstract base class for crypto-streams

Details:

Nikita Skovoroda discovered that cipher-base did not properly manage
certain inputs. An attacker could possibly use this issue to manipulate
the internal state of hash functions, resulting in hash collisions,
denial of service, or other unspecified impact.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.04
node-cipher-base 1.0.4-6+deb13u1ubuntu0.25.04.1

Ubuntu 24.04 LTS
node-cipher-base 1.0.4-6+deb13u1ubuntu0.24.04.1

Ubuntu 22.04 LTS
node-cipher-base 1.0.4-6+deb13u1ubuntu0.22.04.1

Ubuntu 20.04 LTS
node-cipher-base 1.0.4-4ubuntu0.1~esm2
Available with Ubuntu Pro

Ubuntu 18.04 LTS
node-cipher-base 1.0.4-1ubuntu0.1~esm2
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-7746-1
CVE-2025-9287

Package Information:
https://launchpad.net/ubuntu/+source/node-cipher-base/1.0.4-6+deb13u1ubuntu0.25.04.1
https://launchpad.net/ubuntu/+source/node-cipher-base/1.0.4-6+deb13u1ubuntu0.24.04.1
https://launchpad.net/ubuntu/+source/node-cipher-base/1.0.4-6+deb13u1ubuntu0.22.04.1

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