CVE-2023-4049 — Race Condition in Mozilla Firefox

CWE-362 — Race Condition16 documents8 sources
Severity
5.9MEDIUMNVD
OSV5.3
EPSS
0.3%
top 47.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird+1 more
Timeline
PublishedAug 1
Latest updateSep 4

Description

Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages5 packages

▶CVEListV5mozilla/firefoxunspecified — 116
▶NVDmozilla/firefox102.0 — 102.14+2
▶CVEListV5mozilla/firefox_esrunspecified — 102.14+1
▶Ubuntumozilla/firefox< 116.0+build2-0ubuntu0.20.04.2
▶Debianmozilla/thunderbird< 1:102.14.0-1~deb11u1+3

Also affects: Debian Linux 11.0, 12.0

🔴Vulnerability Details

6
OSV
firefox regressions↗2023-08-21
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OSV
firefox regressions↗2023-08-08
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OSV
firefox vulnerabilities↗2023-08-02
▶
OSV
CVE-2023-4049: Race conditions in reference counting code were found through code inspection↗2023-08-01
▶
CVEList
CVE-2023-4049: Race conditions in reference counting code were found through code inspection↗2023-08-01
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📋Vendor Advisories

9
Ubuntu
Thunderbird vulnerabilities↗2023-09-04
▶
Ubuntu
Firefox vulnerabilities↗2023-08-02
▶
Red Hat
Mozilla: Fix potential race conditions when releasing platform objects↗2023-08-01
▶
Debian
CVE-2023-4049: firefox - Race conditions in reference counting code were found through code inspection. T...↗2023
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Mozilla
Mozilla Foundation Security Advisory 2023-31: CVE-2023-4049↗
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CVE-2023-4049 — Race Condition in Mozilla Firefox | cvebase