CVE-2023-6870: mozilla firefox
CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2023-6870CGA-jcjf-74qp-vr3wCGA-pvm2-3x57-xhgw
Published 19-12-2023Last modified 13-02-2025
Vulnerability summary
CVE-2023-6870 is a medium (CVSS 4.3) vulnerability in mozilla firefox. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.8% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (NVD)EPSS score
0.38%
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 2 · Related 3Timeline
- 19-12-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
Applications which spawn a Toast notification in a background thread may have obscured fullscreen notifications displayed by Firefox. *This issue only affects Android versions of Firefox and Firefox Focus.* This vulnerability affects Firefox < 121.
CVSS metrics
2 scores · 2 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 2 agree
- OSV · UbuntuEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.38% on 19-09-2026
19-09-202619-10-2026
EPSS score0.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu6 products
- mozjs102All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
- mozjs78All versions (No fix recorded)
Mozilla2 products
- firefox≥ unspecified, < 121 | < 121.0
- firefox_focusna
Chainguard1 product
- firefox-esr< 121.0-r0
3 vendors · 9 products
References
6 links- security.gentoo.org/glsa/202401-10Third Party Advisory