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Fencer Intel
high 7.5

CVE-2013-1667 json

The rehash mechanism in Perl 5.8.2 through 5.16.x allows context-dependent attackers to cause a denial of service (memory consumption and c…

published 13y ago modified 4mo ago also EUVD-2013-1694

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.6%
EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

The rehash mechanism in Perl 5.8.2 through 5.16.x allows context-dependent attackers to cause a denial of service (memory consumption and crash) via a crafted hash key.

Patch / fix

  • perl Debian 14, Debian 13, Debian 12 5.14.2-19

debian advisories DEBIAN-CVE-2013-1667

  • perl RHEL 5 4:5.8.8-40.el5_9
  • perl RHEL 6 4:5.10.1-130.el6_4
  • perl-CGI RHEL 6 3.51-130.el6_4
  • perl-core RHEL 6 5.10.1-130.el6_4
  • perl-CPAN RHEL 6 1.9402-130.el6_4
  • perl-libs RHEL 6 4:5.10.1-130.el6_4
  • perl-parent RHEL 6 1:0.221-130.el6_4
  • perl-IO-Zlib RHEL 6 1:1.09-130.el6_4

red hat advisories RHSA-2013:0685

  • apache2-mod_perl openSUSE Tumbleweed 2.0.9-5.1

opensuse advisories openSUSE-SU-2024:10161-1

Is CVE-2013-1667 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2013-1667 updated cvss 5.0

perl: DoS in rehashing code

  • Red Hat Enterprise Linux (v. 5 server) perl 5.8.8-40.el5_9, perl-suidperl 5.8.8-40.el5_9 Red Hat Enterprise Linux Desktop (v. 6) perl 5.10.1-130.el6_4, perl-CGI 3.51-130.el6_4, perl-core 5.10.1-130.el6_4, perl-CPAN 1.9402-130.el6_4, perl-libs 5.10.1-130.el6_4, perl-IO-Zlib 1.09-130.el6_4, +39 more Red Hat Enterprise Linux HPC Node (v. 6) perl 5.10.1-130.el6_4, perl-CGI 3.51-130.el6_4, perl-core 5.10.1-130.el6_4, perl-CPAN 1.9402-130.el6_4, perl-libs 5.10.1-130.el6_4, perl-IO-Zlib 1.09-130.el6_4, +39 more Red Hat Enterprise Linux Server (v. 6) perl 5.10.1-130.el6_4, perl-CGI 3.51-130.el6_4, perl-core 5.10.1-130.el6_4, perl-CPAN 1.9402-130.el6_4, perl-libs 5.10.1-130.el6_4, perl-IO-Zlib 1.09-130.el6_4, +39 more Red Hat Enterprise Linux Workstation (v. 6) perl 5.10.1-130.el6_4, perl-CGI 3.51-130.el6_4, perl-core 5.10.1-130.el6_4, perl-CPAN 1.9402-130.el6_4, perl-libs 5.10.1-130.el6_4, perl-IO-Zlib 1.09-130.el6_4, +39 more
    fixed: vendor fix RHSA-2013:0685

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

3.58% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

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.