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Package details: pkg:deb/debian/firefox-esr@128.10.0esr-1?distro=trixie
purl pkg:deb/debian/firefox-esr@128.10.0esr-1?distro=trixie
Vulnerabilities affecting this package (0)
Vulnerability Summary Fixed by
This package is not known to be affected by vulnerabilities.
Vulnerabilities fixed by this package (4)
Vulnerability Summary Aliases
VCID-as4y-nhw6-akfx A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption. CVE-2025-4087
VCID-b3rg-quvp-2uha A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. CVE-2025-4083
VCID-dp5j-4mzw-pqer Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. CVE-2025-4093
VCID-gph4-xa9p-73fr Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. 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-2025-4091

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-16T09:34:49.265751+00:00 Debian Importer Fixing VCID-as4y-nhw6-akfx https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-16T09:24:27.867428+00:00 Debian Importer Fixing VCID-b3rg-quvp-2uha https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-16T09:12:50.356508+00:00 Debian Importer Fixing VCID-dp5j-4mzw-pqer https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-16T09:09:57.333392+00:00 Debian Importer Fixing VCID-gph4-xa9p-73fr https://security-tracker.debian.org/tracker/data/json 38.4.0
2026-04-13T07:38:01.450482+00:00 Debian Importer Fixing VCID-gph4-xa9p-73fr https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-11T18:22:55.417886+00:00 Debian Importer Fixing VCID-as4y-nhw6-akfx https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-11T18:16:45.340934+00:00 Debian Importer Fixing VCID-b3rg-quvp-2uha https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-11T18:09:51.019419+00:00 Debian Importer Fixing VCID-dp5j-4mzw-pqer https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-03T07:23:47.385991+00:00 Debian Importer Fixing VCID-dp5j-4mzw-pqer https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-03T07:23:47.327772+00:00 Debian Importer Fixing VCID-gph4-xa9p-73fr https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-03T07:23:47.268159+00:00 Debian Importer Fixing VCID-as4y-nhw6-akfx https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-03T07:23:47.166009+00:00 Debian Importer Fixing VCID-b3rg-quvp-2uha https://security-tracker.debian.org/tracker/data/json 38.1.0