CVE-2026-2447 (GCVE-0-2026-2447)

Vulnerability from cvelistv5 – Published: 2026-02-16 14:13 – Updated: 2026-02-22 21:05
VLAI?
Title
Heap buffer overflow in libvpx
Summary
Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1, Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 147.0.4 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 140.7.1 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 115.32.1 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 140.7.2 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 147.0.2 (custom)
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Credits
jayjayjazz
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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