CVE-2011-2504: Untrusted search path vulnerability in x11perfcomp in XFree86 x11perf before 1.5.4 allows local users to gain

Q: How do I fix CVE-2011-2504?

x11perf: upgrade to newer than 1.5.3. Exact commands for each OS are on this page.

Q: Is CVE-2011-2504 being exploited?

CVE-2011-2504 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2011-2504 affect?

CVE-2011-2504 affects x11perf. Severity is medium (CVSS 6.9). Untrusted search path vulnerability in x11perfcomp in XFree86 x11perf before 1.5.4 allows local users to gain privileges via unspecified Trojan horse code in the current working directory.

Q: How urgent is CVE-2011-2504?

Priority 33/100. No elevated risk signals yet.

Routine

MEDIUM 6.9UPGRADE

CVE-2011-2504 is a medium-severity flaw (CVSS 6.9) affecting x11perf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in x11perfcomp in XFree86 x11perf before 1.5.4 allows local users to gain privileges via unspecified Trojan horse code in the current working directory.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.9 (Medium)
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Published	2013-03-08
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: xfree86

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

Am I affected?

Timeline

2013-03-08 22:55 UTCPublished CVE record published
2026-06-16 23:31 UTCUpdated Record last modified

xfree86 x11perf UPGRADE

Affected: <= 1.5.3 · 1.5 · 1.5.1 · 1.5.2

Fixed in: newer than 1.5.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy x11perf || rpm -q x11perf || x11perf --version

2. UPGRADE to newer than 1.5.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade x11perf

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade x11perf

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2011-2504?

x11perf: upgrade to newer than 1.5.3. Exact commands for each OS are on this page.

Is CVE-2011-2504 being exploited?

CVE-2011-2504 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-2011-2504 affect?

CVE-2011-2504 affects x11perf. Severity is medium (CVSS 6.9). Untrusted search path vulnerability in x11perfcomp in XFree86 x11perf before 1.5.4 allows local users to gain privileges via unspecified Trojan horse code in the current working directory.

How urgent is CVE-2011-2504?

Priority 33/100. No elevated risk signals yet.

References

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