Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2011-4967

25
FAUCET Score

CVE-2011-4967 describes a Denial of Service (DoS) vulnerability in tog-Pegasus, affecting OpenPegasus and Red Hat Enterprise Linux due to a package hash collision. Rated with a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with no user interaction, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.12CPE matchmatch criteria
cpe:2.3:a:openpegasus:tog-pegasus:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.65%
Probability of exploitation in next 30 days
EPSS Percentile
84.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0265 is in the 72nd percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: tog-pegasus
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: tog-pegasus
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: tog-pegasus

Vendor Advisories (1)

redhatCVE-2011-4967Moderate

tog-pegasus: xml hash table collision CPU usage DoS

Feb 21, 2012

References

bugzilla.openpegasus.org / show_bug.cgi
Issue TrackingPatchVendor Advisory
access.redhat.com / security/cve/cve-2011-4967
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
securityfocus.com / bid/56941
Third Party AdvisoryVDB Entry
openwall.com / lists/oss-security/2012/12/14/2
Mailing ListThird Party Advisory