Vulnerability · NVD
CVE-2026-12329
CVE-2026-12329, medium severity (CVSS 5.3): 2 tracked apps concerned, all fixed or indeterminable on their current version.
- Severity (CVSS)
- 5.3
- Exploitation
- 0.3 %
- Tracked apps
- 2
- Still exposed
- 0
NVD scale
EPSS, predicted over 30 days
Memory safety bug fixed in Thunderbird ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12 and Thunderbird 140.12.
Attack vector : Network
No privileges required
No user interaction
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
0.31%
exploit very unlikely
percentile 21.6%
Tracked apps referencing this CVE
For each app: the affected range, the fixing version, and where the tracked app stands today.
Vulnerable CPE configurations (2)
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
| mozilla |
firefox All platforms (wildcard)
|
All platforms (wildcard) | ≥140.0 <140.12.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* |
| mozilla |
thunderbird All platforms (wildcard)
|
All platforms (wildcard) | ≥140.0 <140.12.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* |
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