CVE-2024-2608

HighCVSS 8.4/10Last modified Jun 17, 2026

Description

`AppendEncodedAttributeValue(), ExtraSpaceNeededForAttrEncoding()` and `AppendEncodedCharacters()` could have experienced integer overflows, causing underallocation of an output buffer leading to an out of bounds write. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.

Metrics

CVSS 3.1 8.4/10CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-680

Affected software

VendorProductVersions
MozillaFirefox>= unspecified, < 124
MozillaFirefox ESR>= unspecified, < 115.9
MozillaThunderbird>= unspecified, < 115.9
mozillafirefox< 124
mozillafirefox_esr< 115.9
mozillathunderbird< 115.9

References

Timeline

Published
Mar 19, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2024-2608: High severity, CVSS 8.4 | Vulnix