CVE-2025-1932: mozilla firefox Out-of-bounds Read
CVSS: 8.1v3.1HighModified
AliasesUBUNTU-CVE-2025-1932DEBIAN-CVE-2025-1932CGA-fh36-fcq2-93mvCGA-rjjw-qc26-qqmjCGA-p2jv-gm72-vf52CGA-qvg3-2f2f-wvww
Published 04-03-2025Last modified 04-06-2026
Vulnerability summary
CVE-2025-1932 is a high (CVSS 8.1) Out-of-bounds Read vulnerability in mozilla firefox. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 35.3% of scored vulnerabilities.
CVSS score
8.1/10
010
High · v3.1 (CVE.org)EPSS score
0.42%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 24 · Related 9DLA-4078-1DLA-4081-1DSA-5874-1DSA-5876-1MGASA-2025-0092MGASA-2025-0093OPENSUSE-SU-2025:14852-1OPENSUSE-SU-2025:14853-1OPENSUSE-SU-2025:14861-1RHSA-2025:2359RHSA-2025:2452RHSA-2025:2479RHSA-2025:2480RHSA-2025:2481RHSA-2025:2484RHSA-2025:2485RHSA-2025:2486RHSA-2025:2699RHSA-2025:2708SUSE-SU-2025:0783-1SUSE-SU-2025:0788-1SUSE-SU-2025:0849-1USN-7334-1USN-7663-1CGA-4W36-H6JV-JV6W
Timeline
- 04-03-2025PublishedVulnerability first disclosed.
- 04-06-2026Last modifiedVulnerability information updated.
Description
An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version 122 and later. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
CVSS metrics
6 scores · 6 sources · 1 versionHigh 8.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:HSourcesAll 6 agree
- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
+0.01 pp
From 0.41% on 20-09-2026
20-09-202620-10-2026
EPSS score0.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu9 products
- firefox< 136.0+build3-0ubuntu0.20.04.1
- mozjs102All versions (No fix recorded)
- mozjs115All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
Chainguard2 products
- firefox< 136-r0
- firefox-esr< 136-r0
Debian2 products
- firefox-esr< 128.8.0esr-1~deb12u1 | < 128.8.0esr-1
- thunderbird< 1:128.8.0esr-1~deb12u1 | < 1:128.8.0esr-1
Mozilla2 products
- firefox< 128.8.0 | < 136.0
- thunderbird≥ ], < 128.8.0 | ≥ 129.0, < 136.0
Wolfi1 product
- firefox< 136-r0
5 vendors · 16 products