CVE-2026-74955

LLM-synthesized narrative grounded in this CVE's description and references.

• Mozilla Corporation/Firefox3 versions

  cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*+ 2 more

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <154.0.0
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*range: <153.1.0
  • (no CPE)range: before 154
• Mozilla Corporation/Thunderbird3 versions

  cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*+ 2 more

  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*range: <154.0
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*range: <153.1.0
  • (no CPE)range: before 154
• osv-coords10 versions

  pkg:apk/chainguard/firefoxpkg:apk/chainguard/firefox-docker-selenium-compatpkg:apk/wolfi/firefoxpkg:apk/wolfi/firefox-docker-selenium-compatpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/mozilla-nspr&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/mozilla-nss&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/rust-cbindgen&distro=openSUSE%20Leap%2016.0

  < 154.0-r0+ 9 more

  • (no CPE)range: < 154.0-r0
  • (no CPE)range: < 154.0-r0
  • (no CPE)range: < 154.0-r0
  • (no CPE)range: < 154.0-r0
  • (no CPE)range: < 153.1.0-160000.1.2
  • (no CPE)range: < 154.0-1.1
  • (no CPE)range: < 153.1.0-1.1
  • (no CPE)range: < 4.39-160000.1.1
  • (no CPE)range: < 3.125-160000.1.1
  • (no CPE)range: < 0.29.4+git0-160000.1.1

• www.mozilla.org/security/advisories/mfsa2026-74/nvdVendor Advisory
• www.mozilla.org/security/advisories/mfsa2026-77/nvdVendor Advisory
• www.mozilla.org/security/advisories/mfsa2026-78/nvdVendor Advisory
• www.mozilla.org/security/advisories/mfsa2026-80/nvdVendor Advisory
• bugzilla.mozilla.org/show_bug.cginvdPermissions Required

• Mozilla Thunderbird: 25 Vulnerabilities Disclosed, Ranging from Critical to Medium Severity
  Vypr Intelligence · Aug 18, 2026