CVE-2020-6795
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-6795
Vendor advisory: arch — https://security.archlinux.org/ASA-202002-9
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 68.5.0-1 | |
| debian | bookworm | fixed | 1:68.5.0-1 |
| debian | bullseye | fixed | 1:68.5.0-1 |
| debian | forky | fixed | 1:68.5.0-1 |
| debian | sid | fixed | 1:68.5.0-1 |
| debian | trixie | fixed | 1:68.5.0-1 |
References
Verify integrity in audit chain (admin only). AS-IS.