CVE-2019-17005

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

Description

The plain text serializer used a fixed-size array for the number of <ol> elements it could process; however it was possible to overflow the static-sized array leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

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-2019-17005

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-17005.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201912-1

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201912-2

OS impact

OSVersionStatusFixed in
arch archfixed68.3.0-1
suse slesaffected
debian debiansidfixed71.0-1
debian debianbookwormfixed68.3.0esr-1
debian debianbullseyefixed68.3.0esr-1
debian debianforkyfixed68.3.0esr-1
debian debiantrixiefixed68.3.0esr-1

References

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