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Package details: pkg:deb/debian/firefox-esr@128.9.0esr-2
purl pkg:deb/debian/firefox-esr@128.9.0esr-2
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Next non-vulnerable version 128.11.0esr-1~deb12u1
Latest non-vulnerable version 128.11.0esr-1~deb12u1
Risk 10.0
Vulnerabilities affecting this package (5)
Vulnerability Summary Fixed by
VCID-12vf-f2r4-bqge
Aliases:
CVE-2025-4093
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. This vulnerability affects Firefox ESR < 128.10 and Thunderbird ESR < 128.10.
128.10.0esr-1
Affected by 1 other vulnerability.
VCID-8h5s-cdt9-guh9
Aliases:
CVE-2025-4091
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. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird ESR < 128.10.
128.10.0esr-1~deb12u1
Affected by 2 other vulnerabilities.
128.10.0esr-1
Affected by 1 other vulnerability.
VCID-92ju-8t11-sqf7
Aliases:
CVE-2025-4087
A vulnerability was identified in Firefox 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. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird ESR < 128.10.
128.10.0esr-1~deb12u1
Affected by 2 other vulnerabilities.
128.10.0esr-1
Affected by 1 other vulnerability.
VCID-9ru8-kjym-aaae
Aliases:
CVE-2023-5217
GHSA-qqvq-6xgj-jw8g
Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
128.10.0esr-1~deb12u1
Affected by 2 other vulnerabilities.
128.10.0esr-1
Affected by 1 other vulnerability.
128.11.0esr-1~deb12u1
Affected by 0 other vulnerabilities.
VCID-qdcz-15x5-6qfp
Aliases:
CVE-2025-4083
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.
128.10.0esr-1~deb12u1
Affected by 2 other vulnerabilities.
128.10.0esr-1
Affected by 1 other vulnerability.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2025-05-06T18:39:26.148615+00:00 Debian Oval Importer Fixing VCID-8121-3cdm-ayc8 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 36.0.0
2025-05-06T18:39:15.013957+00:00 Debian Oval Importer Fixing VCID-mxra-ay5t-g3bp https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 36.0.0
2025-05-06T18:38:18.545184+00:00 Debian Oval Importer Fixing VCID-7sc8-a717-63gf https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 36.0.0
2025-05-02T17:56:46.402928+00:00 Debian Importer Affected by VCID-92ju-8t11-sqf7 https://security-tracker.debian.org/tracker/data/json 36.0.0
2025-05-02T12:33:10.847321+00:00 Debian Importer Affected by VCID-12vf-f2r4-bqge https://security-tracker.debian.org/tracker/data/json 36.0.0
2025-05-02T12:21:53.098072+00:00 Debian Importer Affected by VCID-8h5s-cdt9-guh9 https://security-tracker.debian.org/tracker/data/json 36.0.0
2025-05-02T01:07:50.002266+00:00 Debian Importer Affected by VCID-qdcz-15x5-6qfp https://security-tracker.debian.org/tracker/data/json 36.0.0
2025-04-03T23:13:22.510326+00:00 Debian Importer Affected by VCID-9ru8-kjym-aaae https://security-tracker.debian.org/tracker/data/json 36.0.0