Description
Use-after-free vulnerability in OptiPNG 0.6.4 allows remote attackers to execute arbitrary code via a crafted PNG file.
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 | optipng | 0.7.5-1 | — |
| Debian 13 | optipng | 0.7.5-1 | — |
| Debian 12 | optipng | 0.7.5-1 | — |
| Debian 6.0 | optipng | 0.6.4-1+deb6u11 | DLA-332-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | optipng | 0.6.4-1ubuntu0.14.04.1 | USN-2951-1 |
Advisories 2
- DLA-332-1 optipng - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2951-1 optipng vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026