Description
GSL (GNU Scientific Library) through 2.8 has an integer signedness error in gsl_siman_solve_many in siman/siman.c. When params.n_tries is negative, incorrect memory allocation occurs.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gsl | 2.8+dfsg-4 | — |
| Debian 13 | gsl | 2.8+dfsg-4 | — |
| Debian 12 | gsl | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | gsl | No fix yet | — |
| Ubuntu 26.04 LTS | gsl | No fix yet | — |
| Ubuntu 25.10 | gsl | No fix yet | — |
| Ubuntu 24.04 LTS | gsl | No fix yet | — |
| Ubuntu 20.04 LTS | gsl | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | gsl | No fix yet | — |
| Ubuntu Pro 18.04 LTS | gsl | No fix yet | — |
| Ubuntu Pro 16.04 LTS | gsl | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gsl | 2.8-5.1 | openSUSE-SU-2026:10449-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | gsl +1 | 2.6-4.amzn2023.0.5 | ALAS2023-2025-853 |
| Amazon Linux 2 | gsl +1 | 1.15-13.amzn2.0.3 | ALAS2-2025-2758 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | gsl | No fix yet | — |
| Azure Linux 2 (CBL-Mariner) | gsl | No fix yet | — |
Advisories 3
- openSUSE-SU-2026:10449-1 gsl-2.8-5.1 on GA media SUSE / openSUSE Security Updates · Mar 29, 2026
- ALAS2-2025-2758 Low: gsl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Feb 25, 2025
- ALAS2023-2025-853 Low: gsl security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 21, 2025