CVE-2018-5161

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

Description

Crafted message headers can cause a Thunderbird process to hang on receiving the message. This vulnerability affects Thunderbird ESR < 52.8 and Thunderbird < 52.8.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-5161

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201805-21

OS impact

OSVersionStatusFixed in
arch archfixed52.8.0-1
debian debianbookwormfixed1:52.8.0-1
debian debianbullseyefixed1:52.8.0-1
debian debianforkyfixed1:52.8.0-1
debian debiansidfixed1:52.8.0-1
debian debiantrixiefixed1:52.8.0-1

References

Verify integrity in audit chain (admin only). AS-IS.