USN-8518-1: mailcap Ubuntu
CVSS: UnknownPublished
Published 08-07-2026Last modified 09-07-2026
Vulnerability summary
USN-8518-1 is a vulnerability in mailcap Ubuntu with no CVSS score yet.
CVSS score
Not scored
010
No CVSS score recordedEPSS score
Not scored
0%100%
No EPSS score yetKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 08-07-2026PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
Description
mailcap vulnerability Aaron Rainbolt discovered that the cautious-launcher utility in the mailcap package did not properly restrict the execution of certain file types. An attacker could use this issue to escape a sandboxed application and execute arbitrary code on the host operating system.
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
- mailcap< 3.70+nmu1ubuntu1.22.04.1 | < 3.70+nmu1ubuntu1.24.04.1 | < 3.74ubuntu1.1 | < 3.75ubuntu1.1
1 vendor · 1 product