CVE-2019-11760

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

Description

A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted in a potentially exploitable crash in some instances. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

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-2019-11760

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201910-15

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201910-16

OS impact

OSVersionStatusFixed in
arch archfixed70.0-1
debian debiansidfixed70.0-1
debian debianbookwormfixed68.2.0esr-1
debian debianbullseyefixed68.2.0esr-1
debian debianforkyfixed68.2.0esr-1
debian debiantrixiefixed68.2.0esr-1

References

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