A GNU Scientific Library security update has been released for Ubuntu Linux 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 23.04.

[USN-6472-1] GNU Scientific Library vulnerability

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Ubuntu Security Notice USN-6472-1
November 07, 2023

gsl vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.04
- Ubuntu 22.04 LTS (Available with Ubuntu Pro)
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

GNU Scientific Library could be made to crash or execute arbitrary code if it
received specially crafted input.

Software Description:
- gsl: A modern numerical library for C and C++ programmers

Details:

It was discovered that GNU Scientific Library incorrectly handled certain
inputs. If a user or an automated system were tricked into opening a specially
crafted input file, a remote attacker could possibly use this issue to cause a
denial of service or execute arbitrary code.

Update instructions:

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

Ubuntu 23.04:
gsl-bin 2.7.1+dfsg-3ubuntu0.23.04.1
libgsl-dev 2.7.1+dfsg-3ubuntu0.23.04.1
libgsl27 2.7.1+dfsg-3ubuntu0.23.04.1
libgslcblas0 2.7.1+dfsg-3ubuntu0.23.04.1

Ubuntu 22.04 LTS (Available with Ubuntu Pro):
gsl-bin 2.7.1+dfsg-3ubuntu0.22.04.1~esm1
libgsl-dev 2.7.1+dfsg-3ubuntu0.22.04.1~esm1
libgsl27 2.7.1+dfsg-3ubuntu0.22.04.1~esm1
libgslcblas0 2.7.1+dfsg-3ubuntu0.22.04.1~esm1

Ubuntu 20.04 LTS:
gsl-bin 2.5+dfsg-6+deb10u1build0.20.04.1
libgsl-dev 2.5+dfsg-6+deb10u1build0.20.04.1
libgsl23 2.5+dfsg-6+deb10u1build0.20.04.1
libgslcblas0 2.5+dfsg-6+deb10u1build0.20.04.1

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
gsl-bin 2.4+dfsg-6ubuntu0.1~esm1
libgsl-dev 2.4+dfsg-6ubuntu0.1~esm1
libgsl23 2.4+dfsg-6ubuntu0.1~esm1
libgslcblas0 2.4+dfsg-6ubuntu0.1~esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
gsl-bin 2.1+dfsg-2ubuntu0.1~esm1
libgsl-dev 2.1+dfsg-2ubuntu0.1~esm1
libgsl2 2.1+dfsg-2ubuntu0.1~esm1

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

References:
https://ubuntu.com/security/notices/USN-6472-1
CVE-2020-35357

Package Information:
https://launchpad.net/ubuntu/+source/gsl/2.7.1+dfsg-3ubuntu0.23.04.1
https://launchpad.net/ubuntu/+source/gsl/2.5+dfsg-6+deb10u1build0.20.04.1