CVE-2023-29537 json
Multiple race conditions in the font initialization could have led to memory corruption and execution of attacker-controlled code.
published 2023-06-02 3 y ago modified 2026-08-19 2 mo ago also EUVD-2023-33079
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
Multiple race conditions in the font initialization could have led to memory corruption and execution of attacker-controlled code. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.
Patch / fix
- Mozilla Firefox for Android 112
- Mozilla Firefox 112
- Mozilla Focus for Android 112
- firefox Ubuntu 18.04 LTS 112.0+build2-0ubuntu0.18.04.1
- firefox Ubuntu 20.04 LTS 112.0+build2-0ubuntu0.20.04.1
ubuntu advisories UBUNTU-CVE-2023-29537
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaFirefox openSUSE Tumbleweed 112.0.1-1.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:12882-1
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Mozilla Firefox for Android
- Mozilla Firefox
- Mozilla Focus for Android
Classification
- Weakness
-
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
References
-
mozilla.org
/security/advisories/mfsa2023-13/
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=1823365
issue-tracking
-
bugzilla.mozilla.org
/show_bug.cgi?id=1824200
issue-tracking
-
bugzilla.mozilla.org
/show_bug.cgi?id=1825569
issue-tracking
Sources
- CVE List CVE-2023-29537
- NVD CVE-2023-29537
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