Description
The Mojolicious module before 8.65 for Perl is vulnerable to secure_compare timing attacks that allow an attacker to guess the length of a secret string. Only versions after 1.74 are affected.
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 | libmojolicious-perl | 8.65+dfsg-1 | — |
| Debian 13 | libmojolicious-perl | 8.65+dfsg-1 | — |
| Debian 12 | libmojolicious-perl | 8.65+dfsg-1 | — |
| Debian 10 | libmojolicious-perl | 8.12+dfsg-1.1~deb10u1 | DLA-3846-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libmojolicious-perl | No fix yet | — |
| Ubuntu 18.04 LTS | libmojolicious-perl | No fix yet | — |
| Ubuntu 16.04 LTS | libmojolicious-perl | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | perl-Mojolicious | No fix yet | — |
| Azure Linux 2 (CBL-Mariner) | perl-Mojolicious | No fix yet | — |
Advisories 1
- DLA-3846-1 libmojolicious-perl - security update Debian Security (DSA / DLA) · Mar 9, 2026