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Description

Uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox < 142, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.

PUBLISHED Reserved 2025-08-19 | Published 2025-08-19 | Updated 2025-08-20 | Assigner mozilla

Problem types

Uninitialized memory in the JavaScript Engine component

Product status

Any version before 142
affected

Any version before 128.14
affected

Any version before 140.2
affected

Any version before 142
affected

Any version before 128.14
affected

Any version before 140.2
affected

Credits

Irvan Kurniawan

References

bugzilla.mozilla.org/show_bug.cgi?id=1977130

www.mozilla.org/security/advisories/mfsa2025-64/

www.mozilla.org/security/advisories/mfsa2025-66/

www.mozilla.org/security/advisories/mfsa2025-67/

www.mozilla.org/security/advisories/mfsa2025-70/

www.mozilla.org/security/advisories/mfsa2025-71/

www.mozilla.org/security/advisories/mfsa2025-72/

cve.org (CVE-2025-9181)

nvd.nist.gov (CVE-2025-9181)

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