CVE-2025-1011: mozilla firefox Code Injection
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2025-1011DEBIAN-CVE-2025-1011CGA-69hg-24w2-6pqjCGA-8qfq-4w3h-cj29CGA-9gjc-8qg4-jhmqCGA-x3v9-2hg9-f9mv
Published 04-02-2025Last modified 13-04-2026
Vulnerability summary
CVE-2025-1011 is a critical (CVSS 9.8) Code Injection vulnerability in mozilla firefox. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.63%
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 34 · Related 11DLA-4044-1DLA-4045-1DSA-5858-1DSA-5861-1MGASA-2025-0045MGASA-2025-0048OPENSUSE-SU-2025:14727-1OPENSUSE-SU-2025:14730-1OPENSUSE-SU-2025:14731-1OPENSUSE-SU-2025:14764-1RHSA-2025:1066RHSA-2025:1132RHSA-2025:1133RHSA-2025:1135RHSA-2025:1136RHSA-2025:1137RHSA-2025:1138RHSA-2025:1139RHSA-2025:1140RHSA-2025:1184RHSA-2025:1283RHSA-2025:1292RHSA-2025:1317RHSA-2025:1318RHSA-2025:1319RHSA-2025:1339RHSA-2025:1340RHSA-2025:1341RHSA-2025:1348SUSE-SU-2025:0374-1SUSE-SU-2025:0391-1SUSE-SU-2025:0405-1USN-7263-1USN-7663-1CGA-4HGH-JGFF-6CMRCGA-P69C-WHR5-GJ4R
Timeline
- 04-02-2025PublishedVulnerability first disclosed.
- 13-04-2026Last modifiedVulnerability information updated.
Description
A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
CVSS metrics
6 scores · 6 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources6 sources · 8.8–9.8
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
- OSV · WolfiEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
- OSV · ChainguardEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.63%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.63% on 19-09-2026
19-09-202619-10-2026
EPSS score0.63%
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< 135.0+build2-0ubuntu0.20.04.1
- mozjs102All versions (No fix recorded)
- mozjs115All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
Chainguard2 products
- firefox< 135.0-r0
- firefox-esr< 128.7.0-r0
Debian2 products
- firefox-esr< 128.7.0esr-1~deb12u1 | < 128.7.0esr-1
- thunderbird< 1:128.7.0esr-1~deb12u1 | < 1:128.7.0esr-1
Mozilla2 products
- firefox< 128.7.0 | < 135.0
- thunderbird< 135.0 | ≥ 128.0.1, < 128.7.0
Wolfi1 product
- firefox< 135.0-r0
5 vendors · 16 products
