High severity8.1NVD Advisory· Published Jun 24, 2021· Updated Jun 17, 2026
CVE-2021-29968
CVE-2021-29968
Description
When drawing text onto a canvas with WebRender disabled, an out of bounds read could occur. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 89.0.1.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <89.0.1
- (no CPE)range: <89.0.1
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
2- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions RequiredVendor Advisory
- www.mozilla.org/security/advisories/mfsa2021-27/nvdRelease NotesVendor Advisory
News mentions
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