Unscored DLA-2607-1 5 CVEs

firefox-esr - security update

Published Mar 25, 2021 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 1

Release	Package	Fixed in
Debian · 9	firefox-esr	78.9.0esr-1~deb9u1

Vulnerabilities 5

Unscored —

CVE-2021-23981

A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack …

Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine

Mar 31, 2021
Unscored —

CVE-2021-23982

Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network…

Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine

Mar 31, 2021
Unscored —

CVE-2021-23984

A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an addres…

Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine

Mar 31, 2021
Unscored —

CVE-2021-23987

Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. Some o…

Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine

Mar 31, 2021
Unscored —

CVE-2021-29955

A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary …

Mozilla Firefox Firefox ESR mozjs38 Browsers Debian Ubuntu

Jun 24, 2021