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Fencer Intel
high 7.5

CVE-2011-4967 json

tog-Pegasus has a package hash collision DoS vulnerability

published 2019-11-19 6 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4873

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

tog-Pegasus has a package hash collision DoS vulnerability

Patch / fix

  • openpegasus tog-pegasus 2.12

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-4967 updated cvss 5.0

tog-pegasus: xml hash table collision CPU usage DoS

  • Red Hat Enterprise Linux 4 tog-pegasus Red Hat Enterprise Linux 5 tog-pegasus Red Hat Enterprise Linux 6 tog-pegasus, tog-pegasus-libs
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.65% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • tog-pegasus tog-pegasus

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.