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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Mfsa2025 28 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 138.0 | Apr 30, 2025 | Apr 29, 2025 |
| Mfsa2025 29 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 128.10 | Apr 30, 2025 | Apr 29, 2025 |
| Mfsa2025 30 | — | Upgrade to Mozilla Firefox ESR version 115.23Upgrade to the latest version of Mozilla Firefox | Apr 30, 2025 | Apr 29, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 128.10 | Apr 30, 2025 | Apr 29, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 29, 2025 |
| Suse | — | Upgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbirdUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-other | May 5, 2025 | Apr 29, 2025 |
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