Description
Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive
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 | 1.6.47-1 | — |
| Debian 13 | libpng1.6 | 1.6.47-1 | — |
| Debian 12 | libpng1.6 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | libpng1.6 | 1.6.43-5ubuntu0.4 | USN-7993-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | libpng +3 | 1.6.56-1.hum1 | RHSA-2026:6732 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | libpng16 | 1.6.40-150600.3.9.1 | SUSE-SU-2026:0364-1 |
| SLES 15 SP5 | libpng16 | 1.6.34-150000.3.19.1 | SUSE-SU-2026:0596-1 |
| SLES 15 SP4 | libpng16 | 1.6.34-150000.3.19.1 | SUSE-SU-2026:0596-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP5 | libpng16 | 1.6.34-150000.3.19.1 | SUSE-SU-2026:0596-1 |
| SLES for SAP 15 SP4 | libpng16 | 1.6.34-150000.3.19.1 | SUSE-SU-2026:0596-1 |
| SLE Micro 6.2 | libpng16 | 1.6.44-160000.5.1 | SUSE-SU-2026:20750-1 |
| SLE Micro 6.1 | libpng16 | 1.6.43-slfo.1.1_3.1 | SUSE-SU-2026:23514-1, SUSE-SU-2026:20530-1 |
| SLE Micro 6.0 | libpng16 | 1.6.43-3.1 | SUSE-SU-2026:23063-1, SUSE-SU-2026:20523-1 |
| SLE Micro 5.5 | libpng16 | 1.6.34-150000.3.19.1 | SUSE-SU-2026:0596-1 |
| SLE Micro 5.4 | libpng16 | 1.6.34-150000.3.19.1 | SUSE-SU-2026:0596-1 |
| SLE Micro 5.3 | libpng16 | 1.6.34-150000.3.19.1 | SUSE-SU-2026:0596-1 |
| SLE Micro 5.2 | libpng16 | 1.6.34-150000.3.19.1 | SUSE-SU-2026:0596-1 |
| SLE HPC 15 SP5 | libpng16 | 1.6.34-150000.3.19.1 | SUSE-SU-2026:0596-1 |
| SLE HPC 15 SP4 | libpng16 | 1.6.34-150000.3.19.1 | SUSE-SU-2026:0596-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | libpng16 | 1.6.44-160000.5.1 | openSUSE-SU-2026:20378-1 |
| openSUSE Leap 15.6 | libpng16 | 1.6.40-150600.3.9.1 | SUSE-SU-2026:0364-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | libpng +3 | 2:1.6.37-10.amzn2023.0.10 | ALAS2023-2026-1440 |
Advisories 13
- RHSA-2026:6732 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- WID-SEC-2026-0237 libpng: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Sep 15, 2026
- SUSE-SU-2026:23514-1 Security update for libpng16 SUSE / openSUSE Security Updates · Sep 15, 2026
- SUSE-SU-2026:23063-1 Security update for libpng16 SUSE / openSUSE Security Updates · Aug 12, 2026
- WID-SEC-2026-0778 Dell Secure Connect Gateway Policy Manager: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 11, 2026
- USN-7993-1 libpng1.6 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- openSUSE-SU-2026:20378-1 Security update for libpng16 SUSE / openSUSE Security Updates · Mar 26, 2026
- SUSE-SU-2026:20750-1 Security update for libpng16 SUSE / openSUSE Security Updates · Mar 25, 2026
- SUSE-SU-2026:20530-1 Security update for libpng16 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20523-1 Security update for libpng16 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0364-1 Security update for libpng16 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0596-1 Security update for libpng16 SUSE / openSUSE Security Updates · Feb 24, 2026
- ALAS2023-2026-1440 Moderate: libpng security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 18, 2026