How severe is CVE-2013-7491?

CVE-2013-7491 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2013-7491 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-7491?

CVE-2013-7491 affects Perl Dbi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-7491?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-7491 published?

CVE-2013-7491 was published on 2020-09-11 and last updated on 2026-06-17.

CVE-2013-7491

CVE-2013-7491 is a medium-severity vulnerability in Perl Dbi with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Perl Dbi
Published: 2020-09-11
Last modified: 2026-06-17

Description

An issue was discovered in the DBI module before 1.628 for Perl. Stack corruption occurs when a user-defined function requires a non-trivial amount of memory and the Perl stack gets reallocated.

Frequently asked questions

What is CVE-2013-7491?: An issue was discovered in the DBI module before 1.628 for Perl. Stack corruption occurs when a user-defined function requires a non-trivial amount of memory and the Perl stack gets reallocated.
How severe is CVE-2013-7491?: CVE-2013-7491 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2013-7491 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-7491?: CVE-2013-7491 affects Perl Dbi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-7491?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-7491 published?: CVE-2013-7491 was published on 2020-09-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:perl:dbi:*:*:*:*:*:*:*:*

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