Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. (CVE-2026-16412)
Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. (CVE-2026-16412)
Description
Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
Affected software
pkg:github/mozilla/firefox-esrRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-xrr7-cwrw-39vw
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-16412"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5fd1501010f89cc21c8bf4
Added to database: 07/21/2026, 20:06:40 UTC
Last updated: 07/21/2026, 21:32:00 UTC
Views: 2
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