CVE-2023-25744: mozilla firefox Out-of-bounds Write
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2023-25744DEBIAN-CVE-2023-25744
Published 02-06-2023Last modified 09-01-2025
Vulnerability summary
CVE-2023-25744 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in mozilla firefox. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51.1% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.67%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 27 · Related 6DLA-3319-1DLA-3324-1DSA-5350-1DSA-5355-1MGASA-2023-0056OPENSUSE-SU-2024:12753-1OPENSUSE-SU-2024:14572-1RHSA-2023:0805RHSA-2023:0806RHSA-2023:0807RHSA-2023:0808RHSA-2023:0809RHSA-2023:0810RHSA-2023:0811RHSA-2023:0812RHSA-2023:0817RHSA-2023:0818RHSA-2023:0819RHSA-2023:0820RHSA-2023:0821RHSA-2023:0822RHSA-2023:0823RHSA-2023:0824SUSE-SU-2023:0461-1SUSE-SU-2023:0466-1SUSE-SU-2023:0469-1USN-5880-1
Timeline
- 02-06-2023PublishedVulnerability first disclosed.
- 09-01-2025Last modifiedVulnerability information updated.
Description
Mmemory safety bugs present in Firefox 109 and Firefox ESR 102.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 110 and Firefox ESR < 102.8.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.67%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
0.00 pp
From 0.67% on 18-09-2026
18-09-202618-10-2026
EPSS score0.67%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu6 products
- firefox< 110.0+build3-0ubuntu0.18.04.1 | < 110.0+build3-0ubuntu0.20.04.1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
- mozjs78All versions (No fix recorded)
Debian2 products
- firefox-esr< 102.8.0esr-1
- thunderbird< 1:102.8.0-1
Mozilla2 products
- firefox≥ unspecified, < 110 | < 110.0
- firefox_esr≥ unspecified, < 102.8 | < 102.8
3 vendors · 10 products
References
9 links- www.mozilla.org/security/advisories/mfsa2023-06/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory
