CVE-2023-37201: debian debian_linux Use After Free
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2023-37201DEBIAN-CVE-2023-37201
Published 05-07-2023Last modified 13-02-2025
Vulnerability summary
CVE-2023-37201 is a high (CVSS 8.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.76%
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 29 · Related 8DLA-3484-1DLA-3490-1DSA-5450-1DSA-5451-1MGASA-2023-0235OPENSUSE-SU-2024:13037-1OPENSUSE-SU-2024:13040-1OPENSUSE-SU-2024:14572-1RHSA-2023:4062RHSA-2023:4063RHSA-2023:4064RHSA-2023:4065RHSA-2023:4066RHSA-2023:4067RHSA-2023:4068RHSA-2023:4069RHSA-2023:4070RHSA-2023:4071RHSA-2023:4072RHSA-2023:4073RHSA-2023:4074RHSA-2023:4075RHSA-2023:4076RHSA-2023:4079SUSE-SU-2023:2849-1SUSE-SU-2023:2850-1SUSE-SU-2023:2886-1USN-6201-1USN-6214-1
Timeline
- 05-07-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
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
0.76%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.76% on 19-09-2026
19-09-202619-10-2026
EPSS score0.76%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian3 products
- firefox-esr< 102.13.0esr-1~deb12u1 | < 102.13.0esr-1
- thunderbird< 1:102.13.0-1~deb12u1 | < 1:102.13.0-1
- debian_linuxEOL10.0 | 11.0 | 12.0
Mozilla3 products
- firefox≥ unspecified, < 115 | < 115.0
- firefox_esr≥ unspecified, < 102.13 | < 102.13
- thunderbird≥ unspecified, < 102.13 | < 102.13
Ubuntu2 products
- firefox< 115.0+build2-0ubuntu0.20.04.3
- thunderbird< 1:102.13.0+build1-0ubuntu0.20.04.1 | < 1:102.13.0+build1-0ubuntu0.22.04.1
3 vendors · 8 products
References
16 links
- www.debian.org/security/2023/dsa-5450Third Party Advisory
- www.debian.org/security/2023/dsa-5451Third Party Advisory