High severity8.8NVD Advisory· Published Sep 29, 2026· Updated Sep 29, 2026
CVE-2026-100779
CVE-2026-100779
Description
Use-after-free in the XSLT component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
Affected products
2- Range: before 153.4, before 115.42, before 140.17
- Range: before 157
Patches
Vulnerability mechanics
References
5News mentions
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