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Vulnerabilities

Vulnerability · CVE-2026-3257

UnQLite versions through 0.06 for Perl uses a potentially insecure version of the UnQLite library.

Published Mar 5, 2026 · catalog updated Jun 17, 2026 · UnQLite versions through 0.06

Check if you run it

No confirmed exploitation is on record for CVE-2026-3257. EPSS is 0.68%. Act only if a listed version of UnQLite versions through 0.06 is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (UnQLite versions through 0.06).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.68%
Remediation
Version ranges on file
Affected products
cpe tokuhirom/unqlite · stated unqlite

UnQLite versions through 0.06 for Perl uses a potentially insecure version of the UnQLite library. UnQLite for Perl embeds the UnQLite library. Version 0.06 and earlier of the Perl module uses a version of the library from 2014 that may be vulnerable to a heap-based overflow.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe tokuhirom/unqliteversion unspecified
  • stated unqlite<= 0.06

How to fix CVE-2026-3257

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-3257. EPSS is 0.68%. Act only if a listed version of UnQLite versions through 0.06 is installed.

Which versions are affected?

Compare what you have installed with <= 0.06. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.68%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 5, 2026 · NIST NVD

    Detected

    UnQLite versions through 0.06 for Perl uses a potentially insecure version of the UnQLite library. UnQLite for Perl embeds the UnQLite library. Version 0.06 and earlier of the Perl module uses a version of the library from 2014 that may be vulnerable to a heap-based overflow.

  2. Jun 17, 2026 · NIST NVD

    Updated

    UnQLite versions through 0.06 for Perl uses a potentially insecure version of the UnQLite library. UnQLite for Perl embeds the UnQLite library. Version 0.06 and earlier of the Perl module uses a version of the library from 2014 that may be vulnerable to a heap-based overflow.

Sources

  • CVE.orgVulnerability recordCVE-2026-3257

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-3257

    30-day exploitation probability 0.7%

    first.org
  • NIST NVDVulnerability recordCVE-2026-3257

    UnQLite versions through 0.06 for Perl uses a potentially insecure version of the UnQLite library. UnQLite for Perl embeds the UnQLite library. Version 0.06 and earlier of the Perl module uses a version of the library from 2014 that may be vulnerable to a heap-based overflow.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.