CVE-2023-25752: mozilla firefox
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-25752DEBIAN-CVE-2023-25752
Published 02-06-2023Last modified 09-01-2025
Vulnerability summary
CVE-2023-25752 is a medium (CVSS 6.5) vulnerability in mozilla firefox. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.2% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
0.61%
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 31 · Related 9DLA-3364-1DLA-3365-1DSA-5374-1DSA-5375-1MGASA-2023-0111MGASA-2023-0116OPENSUSE-SU-2024:12791-1OPENSUSE-SU-2024:12839-1OPENSUSE-SU-2024:14572-1RHSA-2023:1333RHSA-2023:1336RHSA-2023:1337RHSA-2023:1364RHSA-2023:1367RHSA-2023:1401RHSA-2023:1402RHSA-2023:1403RHSA-2023:1404RHSA-2023:1407RHSA-2023:1442RHSA-2023:1443RHSA-2023:1444RHSA-2023:1445RHSA-2023:1472RHSA-2023:1479SUSE-SU-2023:0728-1SUSE-SU-2023:0763-1SUSE-SU-2023:0835-1SUSE-SU-2023:1736-1USN-5954-1USN-5972-1
Timeline
- 02-06-2023PublishedVulnerability first disclosed.
- 09-01-2025Last modifiedVulnerability information updated.
Description
When accessing throttled streams, the count of available bytes needed to be checked in the calling function to be within bounds. This may have lead future code to be incorrect and vulnerable. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
0.00 pp
From 0.61% on 19-09-2026
19-09-202619-10-2026
EPSS score0.61%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu7 products
- firefox< 111.0+build2-0ubuntu0.18.04.1 | < 111.0+build2-0ubuntu0.20.04.1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
- mozjs78All versions (No fix recorded)
Mozilla3 products
- firefox≥ unspecified, < 111 | < 111.0
- firefox_esr≥ unspecified, < 102.9 | < 102.9
- thunderbird≥ unspecified, < 102.9 | < 102.9
Debian2 products
- firefox-esr< 102.9.0esr-1
- thunderbird< 1:102.9.0-1
3 vendors · 12 products
References
11 links- www.mozilla.org/security/advisories/mfsa2023-09/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-10/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-11/Vendor Advisory