CVE-2023-29537

Name: CVE-2023-29537
Creator: NVD / NIST
Published: 2023-06-02T17:15:12.52+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2023-29537 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.55%

41.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 112.0
Mozilla	Focus	< 112.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1823365Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1824200Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1825569Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2023-13/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1823365Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1824200Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1825569Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2023-13/Vendor Advisory

Timeline

Published: Jun 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-29537?

How severe is CVE-2023-29537?

CVE-2023-29537 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2023-29537?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-29537?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST