Description
A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | pngcheck | pngcheck-2.4.0 | — |
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 | pngcheck | 3.0.2-2 | — |
| Debian 13 | pngcheck | 3.0.2-2 | — |
| Debian 12 | pngcheck | 3.0.2-2 | — |
| Debian 11 | pngcheck | 3.0.3-1~deb11u1 | DSA-5300-1 |
| Debian 10 | pngcheck | 3.0.3-1~deb10u2 | DLA-3238-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | pngcheck | No fix yet | — |
| Ubuntu 26.04 LTS | pngcheck | No fix yet | — |
| Ubuntu 25.10 | pngcheck | No fix yet | — |
| Ubuntu 24.04 LTS | pngcheck | No fix yet | — |
| Ubuntu 20.04 LTS | pngcheck | 2.3.0-7ubuntu0.20.04.1 | USN-6182-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | pngcheck | 2.3.0-7ubuntu0.18.04.1~esm1 | USN-6182-1 |
| Ubuntu Pro 16.04 LTS | pngcheck | 2.3.0-7ubuntu0.16.04.1~esm1 | USN-6182-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP3 | pngcheck | 3.0.3-bp153.3.3.1 | openSUSE-SU-2022:10142-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | pngcheck | 3.0.3-bp153.3.3.1 | openSUSE-SU-2022:10142-1 |
Advisories 4
- USN-6182-1 pngcheck vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DSA-5300-1 pngcheck - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3238-1 pngcheck - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2022:10142-1 Security update for pngcheck SUSE / openSUSE Security Updates · May 7, 2025