CVE-2025-1012

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-1012

Severity

7.5

High

CVSS V3

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Description

A race during concurrent delazification could have led to a use-after-free. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-1012
https://github.com/advisories/GHSA-hjjx-mmjm-vp9r
https://www.mozilla.org/security/advisories/mfsa2025-07/
https://www.mozilla.org/security/advisories/mfsa2025-08/
https://www.mozilla.org/security/advisories/mfsa2025-09/
https://www.mozilla.org/security/advisories/mfsa2025-10/
https://www.mozilla.org/security/advisories/mfsa2025-11/
https://bugzilla.mozilla.org/show_bug.cgi?id=1939710

Affected packages

Advisories are based on vulnerability information provided by Grype from Anchore. Learn how Chainguard creates security advisories.

CVE-2025-1012

Severity

Description

References

Affected packages

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Resources

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