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CVE-2013-1667

20
FAUCET Score

CVE-2013-1667 describes a denial-of-service vulnerability affecting Perl versions 5.8.2 through 5.16.x, where a crafted hash key can trigger excessive memory consumption and a crash via the rehash mechanism. This vulnerability has a CVSS score of 7.5, indicating high severity with a network-based attack vector, low attack complexity, and potential for partial impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.8.2CPE matchmatch criteria
cpe:2.3:a:perl:perl:5.8.2:*:*:*:*:*:*:*
5.8.3CPE matchmatch criteria
cpe:2.3:a:perl:perl:5.8.3:*:*:*:*:*:*:*
5.8.4CPE matchmatch criteria
cpe:2.3:a:perl:perl:5.8.4:*:*:*:*:*:*:*
5.8.5CPE matchmatch criteria
cpe:2.3:a:perl:perl:5.8.5:*:*:*:*:*:*:*
5.8.6CPE matchmatch criteria
cpe:2.3:a:perl:perl:5.8.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.45%
Probability of exploitation in next 30 days
EPSS Percentile
87.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0345 is in the 78th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: perl-4:5.8.8-40.el5_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: perl-4:5.10.1-130.el6_4
View patch

Vendor Advisories (1)

redhatCVE-2013-1667Moderate

perl: DoS in rehashing code

Mar 4, 2013

References

bugs.debian.org / cgi-bin/bugreport.cgi
kb.juniper.net / InfoCenter/index
kb.juniper.net / InfoCenter/index
lists.apple.com / archives/security-announce/2013/Oct/msg00004.html
marc.info
osvdb.org / 90892
perl5.git.perl.org / perl.git/commitdiff/6e79fe5
perl5.git.perl.org / perl.git/commitdiff/9d83adc
perl5.git.perl.org / perl.git/commitdiff/d59e31f
rhn.redhat.com / errata/RHSA-2013-0685.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/52472
Vendor Advisory
secunia.com / advisories/52499
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/82598
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18771
wiki.mageia.org / en/Support/Advisories/MGASA-2013-0094
debian.org / security/2013/dsa-2641
mandriva.com / security/advisories
nntp.perl.org / group/perl.perl5.porters/2013/03/msg199755.html
oracle.com / technetwork/topics/security/ovmbulletinjul2016-3090546.html
securityfocus.com / bid/58311
ubuntu.com / usn/USN-1770-1