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Package details: pkg:deb/debian/firefox-esr@140.9.0esr-1
purl pkg:deb/debian/firefox-esr@140.9.0esr-1
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Next non-vulnerable version 140.9.1esr-1~deb13u1
Latest non-vulnerable version 140.9.1esr-1~deb13u1
Risk 10.0
Vulnerabilities affecting this package (4)
Vulnerability Summary Fixed by
VCID-5dw5-vpt8-zqbz
Aliases:
CVE-2026-5731
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.
140.9.1esr-1~deb13u1
Affected by 0 other vulnerabilities.
140.9.1esr-1
Affected by 1 other vulnerability.
VCID-9ag7-z86d-nba9
Aliases:
CVE-2026-5734
Memory safety bugs present in 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.
140.9.1esr-1~deb13u1
Affected by 0 other vulnerabilities.
140.9.1esr-1
Affected by 1 other vulnerability.
VCID-f81v-9fv8-93cd
Aliases:
CVE-2023-5217
GHSA-qqvq-6xgj-jw8g
Out-of-bounds Write 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)
140.9.1esr-1
Affected by 1 other vulnerability.
VCID-qbzp-euvv-q7c7
Aliases:
CVE-2026-5732
140.9.1esr-1~deb13u1
Affected by 0 other vulnerabilities.
140.9.1esr-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
2026-04-13T07:51:15.180447+00:00 Debian Importer Affected by VCID-9ag7-z86d-nba9 https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-13T07:23:23.417337+00:00 Debian Importer Affected by VCID-5dw5-vpt8-zqbz https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-13T07:10:39.083610+00:00 Debian Importer Affected by VCID-f81v-9fv8-93cd https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-11T18:03:12.934447+00:00 Debian Importer Affected by VCID-qbzp-euvv-q7c7 https://security-tracker.debian.org/tracker/data/json 38.3.0
2026-04-10T08:58:59.240112+00:00 Debian Importer Affected by VCID-9ag7-z86d-nba9 https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-10T08:01:34.488629+00:00 Debian Importer Affected by VCID-5dw5-vpt8-zqbz https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-10T07:00:21.817256+00:00 Debian Importer Affected by VCID-qbzp-euvv-q7c7 https://security-tracker.debian.org/tracker/data/json 38.1.0
2026-04-08T19:16:58.553371+00:00 Debian Importer Affected by VCID-f81v-9fv8-93cd https://security-tracker.debian.org/tracker/data/json 38.1.0