CVE-2023-4050: debian debian_linux Out-of-bounds Write
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-4050DEBIAN-CVE-2023-4050CGA-38xq-x893-36m8CGA-pg32-6g3f-jhf3
Published 01-08-2023Last modified 13-02-2025
Vulnerability summary
CVE-2023-4050 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 12.58% chance of exploitation in the next 30 days, higher than 96.2% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
12.58%
0%100%
Medium · 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 30 · Related 10DLA-3521-1DLA-3523-1DSA-5464-1DSA-5469-1MGASA-2023-0266OPENSUSE-SU-2024:13091-1OPENSUSE-SU-2024:13124-1OPENSUSE-SU-2024:14572-1RHSA-2023:4460RHSA-2023:4461RHSA-2023:4462RHSA-2023:4463RHSA-2023:4464RHSA-2023:4465RHSA-2023:4468RHSA-2023:4469RHSA-2023:4492RHSA-2023:4493RHSA-2023:4494RHSA-2023:4495RHSA-2023:4496RHSA-2023:4497RHSA-2023:4499RHSA-2023:4500SUSE-SU-2023:3161-1SUSE-SU-2023:3162-1SUSE-SU-2023:3163-1SUSE-SU-2023:3228-1USN-6267-1USN-6333-1CGA-53X6-G4MR-V6Q8
Timeline
- 01-08-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
12.58%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 12.58% on 19-09-2026
19-09-202619-10-2026
EPSS score12.58%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu8 products
- firefox< 116.0+build2-0ubuntu0.20.04.2
- mozjs102All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
Debian3 products
- firefox-esr< 102.14.0esr-1~deb12u1 | < 115.1.0esr-1
- thunderbird< 1:102.14.0-1~deb12u1 | < 1:115.1.0-1
- debian_linuxEOL11.0 | 12.0
Mozilla2 products
- firefox≥ unspecified, < 116 | < 116.0 | ≥ 102.0, < 102.14 | ≥ 115.0, < 115.1
- firefox_esr≥ unspecified, < 102.14 | ≥ unspecified, < 115.1
Chainguard1 product
- firefox-esr< 116.0-r0
4 vendors · 14 products
