Skip to content
OpenAdvisories
High 1 exploited CVE DSA-5509-1 1 CVE

firefox-esr - security update

Published Sep 29, 2023 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 1

ReleasePackageFixed in
Debian · 11 firefox-esr 115.3.1esr-1~deb11u1

Vulnerabilities 1

  • High 8.8
    CVE-2023-5217 Exploited Public exploit EPSS 49%

    Electron affected by libvpx's heap buffer overflow in vp8 encoding

    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)

    Google Chrome libvpx chromium Browsers Debian Ubuntu Alpine npm
    KEV Oct 2, 2023