CVE-2023-6861
HIGHFirefox < 121.0, Firefox ESR < 115.6, Thunderbird < 115.6 - Out-of-bounds Write in nsWindow::PickerOpen
Title source: llmDescription
The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
References (9)
Core 9
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1864118
Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html
Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html
Third Party Advisory
https://security.gentoo.org/glsa/202401-10
Third Party Advisory
https://www.debian.org/security/2023/dsa-5581
Third Party Advisory
https://www.debian.org/security/2023/dsa-5582
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-54/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-55/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-56/
Scores
CVSS v3
8.8
EPSS
0.0050
EPSS Percentile
66.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (6)
debian/debian_linux
10.0
debian/debian_linux
11.0
debian/debian_linux
12.0
mozilla/firefox
< 121.0
mozilla/firefox_esr
< 115.6
mozilla/thunderbird
< 115.6
Published
Dec 19, 2023
Tracked Since
Feb 18, 2026