CVE-2023-5721: debian debian_linux
CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2023-5721DEBIAN-CVE-2023-5721CGA-gvr2-jmmv-4r4rCGA-jv88-22jv-8x35
Published 24-10-2023Last modified 13-02-2025
Vulnerability summary
CVE-2023-5721 is a medium (CVSS 4.3) vulnerability in debian debian_linux. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 57.4% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (NVD)EPSS score
0.85%
0%100%
Low · +0.06 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 31 · Related 13DLA-3632-1DLA-3637-1DSA-5535-1DSA-5538-1MGASA-2023-0308MGASA-2023-0309OPENSUSE-SU-2024:13356-1OPENSUSE-SU-2024:13385-1OPENSUSE-SU-2024:14572-1RHSA-2023:6162RHSA-2023:6185RHSA-2023:6186RHSA-2023:6187RHSA-2023:6188RHSA-2023:6189RHSA-2023:6191RHSA-2023:6194RHSA-2023:6195RHSA-2023:6196RHSA-2023:6197RHSA-2023:6198RHSA-2023:6199SUSE-SU-2023:4212-1SUSE-SU-2023:4213-1SUSE-SU-2023:4214-1SUSE-SU-2023:4302-1SUSE-SU-2023:4532-1SUSE-SU-2023:4533-1SUSE-SU-2023:4551-1USN-6456-1USN-6468-1CGA-W84W-WH32-4MXH
Timeline
- 24-10-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 4.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- OSV · DebianEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- OSV · ChainguardEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.85%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
+0.06 pp
From 0.79% on 20-09-2026
20-09-202620-10-2026
EPSS score0.85%
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< 119.0+build2-0ubuntu0.20.04.1
- mozjs102All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
Debian3 products
- firefox-esr< 115.4.0esr-1~deb12u1 | < 115.4.0esr-1
- thunderbird< 1:115.4.1-1~deb12u1 | < 1:115.4.1-1
- debian_linuxEOL10.0 | 11.0
Mozilla3 products
- firefox≥ unspecified, < 119 | < 119.0
- firefox_esr≥ unspecified, < 115.4 | < 115.4
- thunderbird≥ unspecified, < 115.4.1 | < 115.4.1
Chainguard1 product
- firefox-esr< 119.0-r0
4 vendors · 15 products
