Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2023-6204

On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

Published

2023-11-21T15:15:07.687

Last Modified

2024-11-21T08:43:21.843

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 120.0	Yes
Application	mozilla	firefox_esr	< 115.5.0	Yes
Application	mozilla	thunderbird	< 115.5	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	debian	debian_linux	11.0	Yes
Operating System	debian	debian_linux	12.0	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1841050 Issue Tracking, Permissions Required ([email protected])
https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html Mailing List ([email protected])
https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html ([email protected])
https://www.debian.org/security/2023/dsa-5561 Third Party Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2023-49/ Release Notes, Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2023-50/ Release Notes, Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2023-52/ Release Notes, Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1841050 Issue Tracking, Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html Mailing List (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2023/dsa-5561 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2023-49/ Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2023-50/ Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2023-52/ Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)