CVE-2015-3205: libmimedir allows remote attackers to execute arbitrary code via a VCF file with two NULL bytes at the end of

This week

HIGH 7.5MITIGATE

CVE-2015-3205 is a high-severity flaw (CVSS 7.5) affecting libmimedir. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

libmimedir allows remote attackers to execute arbitrary code via a VCF file with two NULL bytes at the end of the file, related to "free" function calls in the "lexer's memory clean-up procedure."

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	10.6% (top 4%)
CISA exploited list	No
Weakness	CWE-74
Published	2015-06-16
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: libmimedir project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-06-16 16:59 UTCPublished CVE record published
2026-06-17 00:25 UTCUpdated Record last modified

libmimedir project libmimedir MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libmimedir || rpm -q libmimedir || libmimedir --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Libmimedir - '.VCF' Memory Corruption (PoC)

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-3205?

libmimedir: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-3205 being exploited?

CVE-2015-3205 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-3205 affect?

CVE-2015-3205 affects libmimedir. Severity is high (CVSS 7.5). libmimedir allows remote attackers to execute arbitrary code via a VCF file with two NULL bytes at the end of the file, related to "free" function calls in the "lexer's memory clean-up procedure."

How urgent is CVE-2015-3205?

Priority 55/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

References

← Back to latest CVEs