CVE-2026-2447
Description
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.
Risk Information
Base Score
8.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.017
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Firefox (147.0.4) | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Firefox (x64) (147.0.4) | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Firefox ESR (115) (115.32.1) | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Firefox ESR (115) (x64) (115.32.1) | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Firefox ESR (140) (140.7.1) | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Firefox ESR (140) (x64) (140.7.1) | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Firefox (Microsoft Store) 147.0.4 | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Firefox (Microsoft Store) 115.32.1 | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Firefox (Microsoft Store) 140.7.1 | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Thunderbird ESR 140 (140.7.2) | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Thunderbird ESR 140 (x64) (140.7.2) | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Thunderbird (147.0.2) | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Thunderbird (x64) (147.0.2) | Windows |
| Vulnerabilities CVE-2026-2447 are fixed in Mozilla Firefox For Mac (147.0.4) | Mac |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-356092 | Mozilla Firefox (147.0.4) |
| PATCH-356093 | Mozilla Firefox (x64) (147.0.4) |
| PATCH-356094 | Mozilla Firefox ESR (115) (115.32.1) |
| PATCH-356095 | Mozilla Firefox ESR (115) (x64) (115.32.1) |
| PATCH-356096 | Mozilla Firefox ESR (140) (140.7.1) |
| PATCH-356097 | Mozilla Firefox ESR (140) (x64) (140.7.1) |
| PATCH-613630 | Mozilla Firefox For Mac (147.0.4) |
| PATCH-356189 | Mozilla Thunderbird ESR 140 (140.7.2) |
| PATCH-356190 | Mozilla Thunderbird ESR 140 (x64) (140.7.2) |
| PATCH-356187 | Mozilla Thunderbird (147.0.2) |
| PATCH-356188 | Mozilla Thunderbird (x64) (147.0.2) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234