CVE-2019-11757
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. 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 advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-11757
Vendor advisory: arch — https://security.archlinux.org/ASA-201910-15
Vendor advisory: arch — https://security.archlinux.org/ASA-201910-16
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 70.0-1 | |
| debian | sid | fixed | 70.0-1 |
| debian | bookworm | fixed | 68.2.0esr-1 |
| debian | bullseye | fixed | 68.2.0esr-1 |
| debian | forky | fixed | 68.2.0esr-1 |
| debian | trixie | fixed | 68.2.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.