CVE-2019-11759
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a 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-2019-11759
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.