Description
A flaw was found in the bash package, where a heap-buffer overflow can occur in valid parameter_transform. This issue may lead to memory problems.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | bash | bash 5.1.8 | — |
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 | bash | 5.2-1 | — |
| Debian 13 | bash | 5.2-1 | — |
| Debian 12 | bash | 5.2-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | bash | 5.1-6ubuntu1.1 | USN-6697-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | bash +1 | 5.1.8-6.el9_1 | RHSA-2023:0340 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | bash +1 | 5.1.8-6.el9_1 | ALSA-2023:0340 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | bash | 5.1.8-6.el9_1 | RLSA-2023:0340 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | bash +2 | 5.2.15-1.amzn2023.0.2 | ALAS2023-2023-091 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | bash +1 | 5.1.8-6.el9_1 | ELSA-2023-0340 |
Advisories 10
- ALSA-2023:0340 Moderate: bash security update AlmaLinux Security Advisories · Oct 29, 2026
- SSA-398330 SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5 Siemens ProductCERT · Oct 13, 2026
- RHSA-2023:0340 Red Hat Security Advisory: bash security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-6697-1 bash vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- RLSA-2023:0340 Moderate: bash security update Rocky Linux Security Advisories · Feb 4, 2026
- WID-SEC-2023-1542 Red Hat OpenShift: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 18, 2025
- ICSA-23-348-10 Siemens SIMATIC S7-1500 CISA ICS & IT advisories · Aug 12, 2025
- WID-SEC-2023-0033 Bash: Schwachstelle ermöglicht nicht spezifizierten Angriff BSI CERT-Bund (WID) · Jul 18, 2024
- ALAS2023-2023-091 Moderate: bash security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 22, 2023
- ELSA-2023-0340 Moderate: bash security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jan 24, 2023