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.

Published: 2020-09-11 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-7491 is rated Moderate Risk (52.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.66%). EPSS rose +2.27% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-7491

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.39% 2.66% +2.27%
2 2026-04-23 0.17% 0.39% +0.21%
3 2025-12-30 — 0.17% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-7491

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
 3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2013-7491

OS Trackers for CVE-2013-7491

vendor priority summary link
debian not yet assigned CVE-2013-7491 not yet assigned priority: Debian including 1 source packages (libdbi-perl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-7491
redhat low — https://access.redhat.com/security/cve/CVE-2013-7491
suse high CVE-2013-7491 severity important: SUSE including 2 source package names (perl-DBI, perl-DBI-1.607-3.6.1), 18 product×package rows across 18 product lines (SUSE Linux Enterprise High Performance Computing 12 SP5, SUSE Linux Enterprise Module for Basesystem 15 SP1, … (18 product lines)): Known Not Affected 14, Fixed 4. https://www.suse.com/security/cve/CVE-2013-7491/
ubuntu medium CVE-2013-7491 medium priority: Ubuntu including 1 source packages (libdbi-perl), 5 status rows across 5 suites (bionic, focal, trusty, upstream, xenial): not-affected 4, released 1. https://ubuntu.com/security/CVE-2013-7491

Affected software / configurations for CVE-2013-7491

Vendor Product Version Raw CPE
perl dbi < 1.628 cpe:2.3:a:perl:dbi:*:*:*:*:*:*:*:*

References for CVE-2013-7491

cvelogic Threat Intelligence