Vulnerability · Published Jun 2, 2023 · Assigned by mozilla

CVE-2023-29537

High 7.5

In plain English

A high-severity security flaw in Firefox from Mozilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.6%top 53.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2023-29537
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2023-29537

Affected products (as reported)

VendorProductVersions
Mozilla Firefox for Android unspecified – before 112
Mozilla Firefox unspecified – before 112
Mozilla Focus for Android unspecified – before 112

References