CVE-2023-5170: mozilla firefox
CVSS: 7.4v3.1HighModified
AliasesUBUNTU-CVE-2023-5170CGA-28mw-whwj-62gmCGA-5w6f-5v2c-5rcx
Published 27-09-2023Last modified 13-02-2025
Vulnerability summary
CVE-2023-5170 is a high (CVSS 7.4) vulnerability in mozilla firefox. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53% of scored vulnerabilities.
CVSS score
7.4/10
010
High · v3.1 (NVD)EPSS score
0.72%
0%100%
Low · +0.12 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 4Timeline
- 27-09-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:NSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.4HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
EPSS trend
Probability
0.72%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
+0.12 pp
From 0.60% on 20-09-2026
20-09-202620-10-2026
EPSS score0.72%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu7 products
- firefox< 118.0.1+build1-0ubuntu0.20.04.1
- mozjs102All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
Chainguard1 product
- firefox-esr< 118.0-r0
Mozilla1 product
- firefox≥ unspecified, < 118 | < 118.0
3 vendors · 9 products