Debian/postorius: medium 6.1
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.
Action: Upgrade postorius to 1.3.13-1+deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.3.13-1+deb13u1 | - |
Fixed versions
| 1.3.13-1+deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-44742#Debian:13/postorius
- https://security-tracker.debian.org/tracker/CVE-2026-44742
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