CVE-2012-6142: Session::Cookie in the HTML::EP module 0.2011 for Perl does not properly use the Storable::thaw function, whic

This month

HIGH 7.5MITIGATE

CVE-2012-6142 is a high-severity flaw (CVSS 7.5) affecting html\. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Session::Cookie in the HTML::EP module 0.2011 for Perl does not properly use the Storable::thaw function, which allows remote attackers to execute arbitrary code via a crafted request, which is not properly handled when it is deserialized.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-94
Published	2014-06-04
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: jochen wiedmann

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-06-04 23:55 UTCPublished CVE record published
2026-06-16 23:47 UTCUpdated Record last modified

jochen wiedmann html\ MITIGATE

Affected: \ ep

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

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

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-2012-6142?

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

Is CVE-2012-6142 being exploited?

CVE-2012-6142 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-2012-6142 affect?

CVE-2012-6142 affects html\. Severity is high (CVSS 7.5). Session::Cookie in the HTML::EP module 0.2011 for Perl does not properly use the Storable::thaw function, which allows remote attackers to execute arbitrary code via a crafted request, which is not properly handled when it is deserialized.

How urgent is CVE-2012-6142?

Priority 48/100. High severity

Software pages

Perl vulnerabilities

Related CVEs

CVE-2026-8829 HIGH 7.5 UPGRADE HTML::Entities versions before 3.84 for Perl read freed heap memory in _decode_entities. The XS routine backi

References

← Back to latest CVEs