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CVE-2026-84122

🗓️ 01 Sep 2026 12:18:49Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 6 Views

Use-after-free in Firefox Audio/Video component fixed in Firefox 155 and ESR 140.15/153.2.

Related
Packages
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-84122
1 Sep 202612:18
cve
cvelist
Cvelist
CVE-2026-84122 Use-after-free in the Audio/Video component
1 Sep 202612:18
cvelist
euvd
EUVD
EUVD-2026-69071
1 Sep 202612:18
euvd
mozilla
Mozilla
Security Vulnerabilities fixed in Firefox 155 — Mozilla
1 Sep 202600:00
mozilla
mozilla
Mozilla
Security Vulnerabilities fixed in Firefox ESR 140.15 — Mozilla
1 Sep 202600:00
mozilla
mozilla
Mozilla
Security Vulnerabilities fixed in Firefox ESR 153.2 — Mozilla
1 Sep 202600:00
mozilla
nvd
NVD
CVE-2026-84122
1 Sep 202613:20
nvd
osv
OSV
DEBIAN-CVE-2026-84122
1 Sep 202613:20
osv
osv
OSV
UBUNTU-CVE-2026-84122
1 Sep 202600:00
osv
ptsecurity
Positive Technologies
PT-2026-84175
1 Sep 202600:00
ptsecurity
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian999allfirefox154.0.1-1firefox_154.0.1-1_all.deb
Debian12allfirefox-esr140.14.0esr-1~deb12u1firefox-esr_140.14.0esr-1~deb12u1_all.deb
Debian13allfirefox-esr140.14.0esr-1~deb13u1firefox-esr_140.14.0esr-1~deb13u1_all.deb
Debian14allfirefox-esr140.14.0esr-2firefox-esr_140.14.0esr-2_all.deb
Debian999allfirefox-esr140.14.0esr-2firefox-esr_140.14.0esr-2_all.deb

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01 Sep 2026 12:18Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.4
SSVC
6