Description
libpng before 1.6.32 does not properly check the length of chunks against the user limit.
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 | libpng1.6 | 1.6.32-1 | — |
| Debian 13 | libpng1.6 | 1.6.32-1 | — |
| Debian 12 | libpng1.6 | 1.6.32-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | libpng | 1.2.54-1ubuntu1.1+esm1 | USN-5432-1 |
| Ubuntu Pro 16.04 LTS | libpng1.6 | 1.6.20-2ubuntu0.1~esm1 | USN-5432-2 |
| Ubuntu Pro 14.04 LTS | libpng | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | libpng +2 | 2:1.5.13-8.el7 | RHSA-2020:3901 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | libpng12 | 1.2.50-20.3.2 | SUSE-SU-2020:0911-1 |
| SLES 12 SP5 | libpng15 | 1.5.22-10.4.1 | SUSE-SU-2023:3799-1 |
| SLES 12 SP4 | libpng12 | 1.2.50-20.3.2 | SUSE-SU-2020:0911-1 |
| SLES 12 SP3 | libpng16 | 1.6.8-15.5.2 | SUSE-SU-2019:3060-2 |
| SLES 12 SP2 | libpng16 | 1.6.8-15.5.2 | SUSE-SU-2019:3060-2 |
| SLES 12 SP1 | libpng16 | 1.6.8-15.5.2 | SUSE-SU-2019:3060-2 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | libpng12 | 1.2.50-20.3.2 | SUSE-SU-2020:0911-1 |
| SLES for SAP 12 SP5 | libpng15 | 1.5.22-10.4.1 | SUSE-SU-2023:3799-1 |
| SLES for SAP 12 SP4 | libpng12 | 1.2.50-20.3.2 | SUSE-SU-2020:0911-1 |
| SLES for SAP 12 SP3 | libpng16 | 1.6.8-15.5.2 | SUSE-SU-2019:3060-2 |
| SLES for SAP 12 SP2 | libpng16 | 1.6.8-15.5.2 | SUSE-SU-2019:3060-2 |
| SLES for SAP 12 SP1 | libpng16 | 1.6.8-15.5.2 | SUSE-SU-2019:3060-2 |
| SUSE OpenStack Cloud 8 | libpng16 | 1.6.8-15.5.2 | SUSE-SU-2019:3060-2 |
| SUSE OpenStack Cloud 7 | libpng16 | 1.6.8-15.5.2 | SUSE-SU-2019:3060-2 |
| SUSE Enterprise Storage 5 | libpng16 | 1.6.8-15.5.2 | SUSE-SU-2019:3060-2 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libpng16 | 1.6.37-3.3 | openSUSE-SU-2024:10972-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libpng +2 | 2:1.5.13-8.amzn2 | ALAS2-2020-1528 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | fltk | 1.3.8-1 | — |
| Azure Linux 3 | libpng12 +2 | No fix yet | — |
| Azure Linux 2 (CBL-Mariner) | libpng12 +1 | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | libpng +2 | 2:1.5.13-8.el7 | ELSA-2020-3901 |
Advisories 11
- RHSA-2020:3901 Red Hat Security Advisory: libpng security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-5432-1 libpng vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-5432-2 libpng1.6 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- WID-SEC-2026-0915 Kyocera Drucker: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 1, 2026
- SUSE-SU-2023:3799-1 Security update for libpng15 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3060-2 Security update for libpng16 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10972-1 libpng16-16-1.6.37-3.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0911-1 Security update for libpng12 SUSE / openSUSE Security Updates · Feb 4, 2026
- ICSA-23-271-01 Rockwell Automation PanelView 800 CISA ICS & IT advisories · Sep 28, 2023
- ALAS2-2020-1528 Low: libpng security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 22, 2020
- ELSA-2020-3901 Low: libpng security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020
References
- https://github.com/glennrp/libpng/blob/df7e9dae0c4aac63d55361e35709c864fa1b8363/ANNOUNCE
- 109269 vdb-entry
- https://support.f5.com/csp/article/K88124225
- https://support.f5.com/csp/article/K88124225?utm_source=f5support&utm_medium=RSS
- https://security.netapp.com/advisory/ntap-20220506-0003/
- https://github.com/pnggroup/libpng/commit/347538efbdc21b8df684ebd92d37400b3ce85d55