CVE-2024-3861: debian debian_linux Use After Free
CVSS: 4.0v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2024-3861DEBIAN-CVE-2024-3861CGA-2jg6-g269-gvh2CGA-c6x5-p34c-3rpm
Published 16-04-2024Last modified 01-08-2024
Vulnerability summary
CVE-2024-3861 is a medium (CVSS 4.0) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.7% of scored vulnerabilities.
CVSS score
4.0/10
010
Medium · v3.1 (CVE.org)EPSS score
0.23%
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 12DLA-3790-1DLA-3791-1DSA-5663-1DSA-5670-1MGASA-2024-0151MGASA-2024-0153OPENSUSE-SU-2024:13884-1OPENSUSE-SU-2024:13907-1OPENSUSE-SU-2024:14572-1RHSA-2024:1904RHSA-2024:1905RHSA-2024:1906RHSA-2024:1907RHSA-2024:1908RHSA-2024:1909RHSA-2024:1910RHSA-2024:1911RHSA-2024:1912RHSA-2024:1934RHSA-2024:1935RHSA-2024:1936RHSA-2024:1937RHSA-2024:1938RHSA-2024:1939RHSA-2024:1940RHSA-2024:1941RHSA-2024:1982SUSE-SU-2024:1319-1SUSE-SU-2024:1350-1SUSE-SU-2024:1437-1SUSE-SU-2024:1676-1SUSE-SU-2024:1770-1USN-6747-1USN-6750-1CGA-76WR-WMJ9-7VFFCGA-G386-828R-PJMW
Timeline
- 16-04-2024PublishedVulnerability first disclosed.
- 01-08-2024Last modifiedVulnerability information updated.
Description
If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVSS metrics
5 scores · 5 sources · 1 versionMedium 4.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NSourcesAll 5 agree
- OSV · UbuntuEcosystem advisory · calculated4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVDNIST4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
0.00 pp
From 0.23% on 19-09-2026
19-09-202619-10-2026
EPSS score0.23%
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< 125.0.2+build1-0ubuntu0.20.04.2
- mozjs102All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
Debian3 products
- firefox-esr< 115.10.0esr-1~deb12u1 | < 115.10.0esr-1
- thunderbird< 1:115.10.1-1~deb12u1 | < 1:115.10.1-1
- debian_linuxEOL10.0
Mozilla3 products
- firefox≥ unspecified, < 125 | < 115.0 | < 125.0
- firefox_esr≥ unspecified, < 115.10
- thunderbird≥ unspecified, < 115.10 | < 115.0
Chainguard1 product
- firefox-esr< 115.10.0-r0
4 vendors · 15 products
