CVE-2023-6863

2023-12-1914:15:07

Debian Security Bug Tracker

security-tracker.debian.org

cve-2023-6863

undefined behavior

dynamic type

virtual destructor

firefox esr

thunderbird

unix

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

5.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.8%

JSON

The ShutdownObserver() was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

OSVersionArchitecturePackageVersionFilename
Debian999allfirefox< 121.0-1firefox_121.0-1_all.deb
Debian12allfirefox-esr< 115.6.0esr-1~deb12u1firefox-esr_115.6.0esr-1~deb12u1_all.deb
Debian11allfirefox-esr< 115.6.0esr-1~deb11u1firefox-esr_115.6.0esr-1~deb11u1_all.deb
Debian10allfirefox-esr< 115.6.0esr-1~deb10u1firefox-esr_115.6.0esr-1~deb10u1_all.deb
Debian999allfirefox-esr< 115.6.0esr-1firefox-esr_115.6.0esr-1_all.deb
Debian13allfirefox-esr< 115.6.0esr-1firefox-esr_115.6.0esr-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	999	all	firefox	< 121.0-1	firefox_121.0-1_all.deb
Debian	12	all	firefox-esr	< 115.6.0esr-1~deb12u1	firefox-esr_115.6.0esr-1~deb12u1_all.deb
Debian	11	all	firefox-esr	< 115.6.0esr-1~deb11u1	firefox-esr_115.6.0esr-1~deb11u1_all.deb
Debian	10	all	firefox-esr	< 115.6.0esr-1~deb10u1	firefox-esr_115.6.0esr-1~deb10u1_all.deb
Debian	999	all	firefox-esr	< 115.6.0esr-1	firefox-esr_115.6.0esr-1_all.deb
Debian	13	all	firefox-esr	< 115.6.0esr-1	firefox-esr_115.6.0esr-1_all.deb