CVE-2026-12329 (GCVE-0-2026-12329)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:53 – Updated: 2026-06-30 12:05
VLAI?
Title
Memory safety bug fixed in Thunderbird ESR 140.12
Summary
Memory safety bug fixed in Thunderbird ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12 and Thunderbird 140.12.
Severity ?
5.3 (Medium)
CWE
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.12 , ≤ *
(rpm)
|
|||||||
|
|||||||||
Credits
Michael Froman
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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