USN-7191-1: firefox Ubuntu
Vulnerability summary
USN-7191-1 is a vulnerability in firefox Ubuntu with no CVSS score yet.
Advisory lineage
Upstream 8 · Downstream 0 · Related 8Timeline
- 09-01-2025PublishedVulnerability first disclosed.
- 27-04-2026Last modifiedVulnerability information updated.
Description
firefox vulnerabilities Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. (CVE-2025-0237, CVE-2025-0239, CVE-2025-0240, CVE-2025-0242, CVE-2025-0243, CVE-2025-0247) Irvan Kurniawan discovered that Firefox incorrectly handled memory when breaking lines in text, leading to a use-after-free vulnerability. An attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2025-0238) Nils Bars discovered that Firefox incorrectly handled memory when using JavaScript Text Segmentation. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-0241)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
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
Ubuntu1 product
- firefox< 134.0+build1-0ubuntu0.20.04.1
1 vendor · 1 product