MFSA-RESERVE-2025-1937097
First published: Tue Apr 29 2025(Updated: )
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 Firefox for macOS. Other versions of Firefox are unaffected.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Thunderbird | <138 | 138 |
| Firefox ESR | <115.23 | 115.23 |
| Firefox ESR | <128.10 | 128.10 |
| Mozilla Thunderbird | <128.10 | 128.10 |
| Firefox | <138 | 138 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1937097
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-31/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-30/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-29/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-32/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-28/
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of MFSA-RESERVE-2025-1937097?
The severity of MFSA-RESERVE-2025-1937097 is high due to the potential for privilege escalation through an out-of-bounds read.
How do I fix MFSA-RESERVE-2025-1937097?
To fix MFSA-RESERVE-2025-1937097, update Firefox to version 138 or later, or update Firefox ESR to version 115.23 or 128.10.
Which versions of Firefox are affected by MFSA-RESERVE-2025-1937097?
Only Firefox for macOS versions prior to 138 are affected by MFSA-RESERVE-2025-1937097.
Is Thunderbird affected by MFSA-RESERVE-2025-1937097?
Yes, Thunderbird versions prior to 138 are also affected by MFSA-RESERVE-2025-1937097.
Can other operating systems be impacted by MFSA-RESERVE-2025-1937097?
No, MFSA-RESERVE-2025-1937097 only affects Firefox for macOS; other operating systems are unaffected.
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