Description
An issue in the Leptonica linked library (v1.79.0) allows attackers to cause an arithmetic exception leading to a Denial of Service (DoS) via a crafted JPEG 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 | leptonlib | 1.82.0-1 | — |
| Debian 13 | leptonlib | 1.82.0-1 | — |
| Debian 12 | leptonlib | 1.82.0-1 | — |
| Debian 10 | leptonlib | 1.76.0-1+deb10u2 | DLA-3233-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | leptonlib +1 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | leptonlib +1 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | leptonlib +1 | No fix yet | — |
Advisories 1
- DLA-3233-1 leptonlib - security update Debian Security (DSA / DLA) · Mar 9, 2026