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CVE-2013-7491

21
FAUCET Score

CVE-2013-7491 describes a stack corruption vulnerability in the Perl DBI module prior to version 1.628. This issue arises when a user-defined function demands significant memory, leading to a reallocation of the Perl stack. Rated as MEDIUM severity (CVSS 5.3), it has a low impact on availability and can be exploited over the network with low attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.628CPE matchmatch criteria
cpe:2.3:a:perl:dbi:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.66%
Probability of exploitation in next 30 days
EPSS Percentile
84.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0266 is in the 77th percentile among its peer group of 23,701 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: perl-DBI

Vendor Advisories (1)

redhatCVE-2013-7491Low

perl-dbi: Stack corruption on callbacks

Jun 24, 2013

References

github.com / perl5-dbi/dbi/commit/401f1221311c71f760e21c98772f0f7e3cbead1d
PatchThird Party Advisory
metacpan.org / pod/distribution/DBI/Changes
Release Notes
rt.cpan.org / Public/Bug/Display.html
Third Party Advisory