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Package details: pkg:mozilla/Firefox%20ESR@115.34.1
purl pkg:mozilla/Firefox%20ESR@115.34.1
Vulnerabilities affecting this package (0)
Vulnerability Summary Fixed by
This package is not known to be affected by vulnerabilities.
Vulnerabilities fixed by this package (1)
Vulnerability Summary Aliases
VCID-5dw5-vpt8-zqbz Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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. CVE-2026-5731

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-07T19:11:38.904102+00:00 Mozilla Importer Fixing VCID-5dw5-vpt8-zqbz https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2026/mfsa2026-26.yml 38.1.0