Description
A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.
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 | patch | No fix yet | — |
| Debian 13 | patch | No fix yet | — |
| Debian 12 | patch | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | patch | No fix yet | — |
| Ubuntu 24.04 LTS | patch | No fix yet | — |
| Ubuntu 22.04 LTS | patch | No fix yet | — |
| Ubuntu 20.04 LTS | patch | No fix yet | — |
| Ubuntu 18.04 LTS | patch | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | patch | No fix yet | — |
| Ubuntu Pro 14.04 LTS | patch | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | patch | 2.7.1-11.el7 | RHSA-2019:2033 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | patch | 2.7.6-150000.5.3.1 | SUSE-SU-2022:1925-1 |
| SLES 15 SP3 | patch | 2.7.6-150000.5.3.1 | SUSE-SU-2022:1925-1 |
| SLES 12 SP5 | patch | 2.7.5-8.8.1 | SUSE-SU-2022:1932-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | patch | 2.7.5-8.8.1 | SUSE-SU-2022:1932-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | patch | 2.7.6-5.1 | openSUSE-SU-2024:12060-1 |
| openSUSE Leap 15.4 | patch | 2.7.6-150000.5.3.1 | SUSE-SU-2022:1925-1 |
| openSUSE Leap 15.3 | patch | 2.7.6-150000.5.3.1 | SUSE-SU-2022:1925-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | patch | 2.7.6-r4 | — |
| Alpine v3.23 | patch | 2.7.6-r4 | — |
| Alpine v3.22 | patch | 2.7.6-r4 | — |
| Alpine v3.21 | patch | 2.7.6-r4 | — |
| Alpine v3.20 | patch | 2.7.6-r4 | — |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | patch | 2.7.6-r4 | — |
| Alpine v3.18 | patch | 2.7.6-r4 | — |
| Alpine v3.17 | patch | 2.7.6-r4 | — |
| Alpine v3.16 | patch | 2.7.6-r4 | — |
| Alpine v3.15 | patch | 2.7.6-r4 | — |
| Alpine v3.14 | patch | 2.7.6-r4 | — |
| Alpine v3.13 | patch | 2.7.6-r4 | — |
| Alpine v3.12 | patch | 2.7.6-r4 | — |
| Alpine v3.11 | patch | 2.7.6-r4 | — |
| Alpine v3.10 | patch | 2.7.6-r4 | — |
| Alpine v3.9 | patch | 2.7.6-r4 | — |
| Alpine v3.8 | patch | 2.7.6-r4 | — |
| Alpine v3.7 | patch | 2.7.6-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | patch | 2.7.1-12.amzn2 | ALAS2-2019-1317 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | patch | 2.7.6-9 | — |
| Azure Linux 2 (CBL-Mariner) | patch | 2.7.6-7 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | patch | 2.7.1-11.el7 | ELSA-2019-2033 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | patch | 2.7.6-r3 | — |
Advisories 7
- RHSA-2019:2033 Red Hat Security Advisory: patch security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- SUSE-SU-2022:1932-1 Security update for patch SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12060-1 patch-2.7.6-5.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1925-1 Security update for patch SUSE / openSUSE Security Updates · Feb 4, 2026
- VDE-2025-053 Phoenix Contact: Multiple Vulnerabilities in PLCnext Firmware CERT@VDE · Jul 8, 2025
- ALAS2-2019-1317 Important: patch security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 7, 2019
- ELSA-2019-2033 Low: patch security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 13, 2019
References
- https://savannah.gnu.org/bugs/index.php?53133
- 103047 vdb-entry
- GLSA-201904-17 vendor-advisory
- RHSA-2019:2033 vendor-advisory