Vulnerability · Published Sep 27, 2023 · Assigned by mozilla

CVE-2023-5170

High 7.4

In plain English

A high-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS NVD)7.4High
Exploit odds (30 days)0.7%top 46.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In canvas rendering, a compromised content process could have caused a surface to change unexpectedly, leading to a memory leak of a privileged process. This memory leak could be used to effect a sandbox escape if the correct data was leaked. This vulnerability affects Firefox < 118.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2023-5170
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2023-5170
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2023-5170
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2023-5170

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 118

References