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CVE-2013-7491· NVD / CVE Program· CNA mitre

An issue was discovered in the DBI module before 1.628 for Perl.

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.

MediumCVSS 5.3 · v3.1—No exploit Fix available
Published
Sep 11, 2020
Updated
Jun 16, 2026
EPSS
2.7% · 85th percentile
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Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.7%

Affected systems

VendorProduct
perldbi

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • perl dbibefore 1.628

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12libdbi-perlbefore 1.628-11.628-1
SUSE:Linux Enterprise Point of Sale 11 SP3perl-DBIbefore 1.607-3.6.11.607-3.6.1

Same product

perl: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-14739DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders
    39Monitor
  • CVE-2026-9698DBI versions before 1.648 for Perl saved errors in a limited-sized buffer
    39Monitor
  • CVE-2026-10879DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders
    39Monitor
  • CVE-2026-14740DBI versions before 1.650 for Perl read one byte out-of-bounds in preparse when deleting an initial SQL comment
    36Monitor
  • CVE-2026-14380DBI versions before 1.650 for Perl are vulnerable to code injection via caller-influenced Profile
    35Monitor
  • CVE-2014-10402An issue was discovered in the DBI module through 1.643 for Perl.
    24Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:libdbi-perl1.628-1 · Debian:12Package registry (OSV)
suse:perl-DBI1.607-3.6.1 · SUSE:Linux Enterprise Point of Sale 11 SP3Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
low · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
Low

Weakness class (CWE)

CWE-787 · Out-of-bounds Write

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records