postorius: Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, a...
CVE-2026-44742 is fixed in 4 products on 1 platform, first by python-django-postorius 1.1.2-3ubuntu0.1+esm1, released May 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| postorius · Debian 12.15 (bookworm) | 1.3.8-3+deb12u1 | DEBIAN-CVE-2026-44742 | May 15, 2026 |
| postorius · Debian 13.5 (trixie) | 1.3.13-1+deb13u1 | DEBIAN-CVE-2026-44742 | May 15, 2026 |
| postorius · Fedora 43 | 1.3.13-1.fc43 | FEDORA-2026-C2B475C5F1 | Jun 17, 2026 |
| python-django-postorius · Ubuntu 18.04.6 LTS (bionic) | 1.1.2-3ubuntu0.1+esm1 | python-django-postorius 1.1.2-3ubuntu0.1+esm1 | May 7, 2026 |
| python-postorius · Fedora 43 | 1.3.13-1.fc43 | FEDORA-2026-C2B475C5F1 | Jun 17, 2026 |
| python3-django-postorius · Ubuntu 20.04 LTS (focal) | 1.2.4-1ubuntu0.1+esm1 | python3-django-postorius 1.2.4-1ubuntu0.1+esm1 | May 7, 2026 |
| python3-django-postorius · Ubuntu 22.04.1 LTS (jammy) | 1.3.5-1ubuntu0.1~esm1 | python3-django-postorius 1.3.5-1ubuntu0.1~esm1 | May 7, 2026 |
| python3-django-postorius · Ubuntu 24.04.5 LTS (noble) | 1.3.10-1ubuntu0.1~esm1 | python3-django-postorius 1.3.10-1ubuntu0.1~esm1 | May 7, 2026 |
| python3-django-postorius · Ubuntu 25.10 (questing) | 1.3.13-1ubuntu1.1~25.10.1 | python3-django-postorius 1.3.13-1ubuntu1.1~25.10.1 | May 7, 2026 |
| python3-django-postorius · Ubuntu 26.04.1 LTS (resolute) | 1.3.13-1ubuntu1.1~26.04.1 | python3-django-postorius 1.3.13-1ubuntu1.1~26.04.1 | May 7, 2026 |
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