CVE-2025-4082 (GCVE-0-2025-4082)
Vulnerability from cvelistv5 – Published: 2025-04-29 13:13 – Updated: 2026-04-13 14:27
VLAI
EPSS
VEX
Title
WebGL shader attribute memory corruption in Thunderbird for macOS
Summary
Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges.
*This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-30 03:56 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.23 , ≤ 115.*
(rpm)
Unaffected: 128.10 , ≤ 128.* (rpm) Unaffected: 138 , ≤ * (rpm) |
guessed | |
| Mozilla | Thunderbird |
Unaffected:
128.10 , ≤ 128.*
(rpm)
Unaffected: 138 , ≤ * (rpm) |
guessed |
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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