CVE-2023-5728 — Use After Free in Mozilla Firefox

CWE-416 — Use After FreeCWE-401 — Missing Release of Memory after Effective Lifetime15 documents9 sources
Severity
7.5HIGHNVD
OSV4.3
EPSS
0.5%
top 32.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird+1 more
Timeline
PublishedOct 25
Latest updateNov 14

Description

During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages9 packages

▶CVEListV5mozilla/firefoxunspecified — 119
▶NVDmozilla/firefox< 119.0
▶CVEListV5mozilla/firefox_esrunspecified — 115.4
▶NVDmozilla/firefox_esr< 115.4
▶Ubuntumozilla/firefox< 119.0+build2-0ubuntu0.20.04.1

Also affects: Debian Linux 10.0, 11.0

🔴Vulnerability Details

6
OSV
firefox regressions↗2023-11-14
▶
OSV
thunderbird vulnerabilities↗2023-11-02
▶
OSV
firefox vulnerabilities↗2023-10-30
▶
OSV
CVE-2023-5728: During garbage collection extra operations were performed on a object that should not be↗2023-10-25
▶
GHSA
GHSA-3qmg-867g-8xrq: During garbage collection extra operations were performed on a object that should not be↗2023-10-25
▶

📋Vendor Advisories

8
Ubuntu
Thunderbird vulnerabilities↗2023-11-02
▶
Ubuntu
Firefox vulnerabilities↗2023-10-30
▶
Red Hat
Mozilla: Improper object tracking during GC in the JavaScript engine could have led to a crash.↗2023-10-24
▶
Microsoft
During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR ↗2023-10-10
▶
Debian
CVE-2023-5728: firefox - During garbage collection extra operations were performed on a object that shoul...↗2023
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CVE-2023-5728 — Use After Free in Mozilla Firefox | cvebase