Is CVE-2012-5526 in the CISA KEV catalog?

No. CVE-2012-5526 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-5526?

CVE-2012-5526 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2012-5526?

CVE-2012-5526 has an EPSS score of 3.26% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-5526?

Upgrade libcgi-pm-perl on debian 11 to 3.61-2 or later.

CVE & CISA-KEV Catalog

CVE-2012-5526

MEDIUMEPSS 87th pctl

5.0

CVSS v2

NVD

Description

CGI.pm module before 3.63 for Perl does not properly escape newlines in (1) Set-Cookie or (2) P3P headers, which might allow remote attackers to inject arbitrary headers into responses from applications that use CGI.pm.

CWE-16

How to fix

Remediation Available

libcgi-pm-perlDebian

Fixed in:3.61-2CVE-2012-5526

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.26%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Other references14

Embed a live status badge for CVE-2012-5526

Markdown

[![CVE-2012-5526](https://tridentstack.com/cve/badge/CVE-2012-5526.svg)](https://tridentstack.com/cve/CVE-2012-5526)

HTML

<a href="https://tridentstack.com/cve/CVE-2012-5526"><img src="https://tridentstack.com/cve/badge/CVE-2012-5526.svg" alt="CVE-2012-5526"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.