CVE-2026-3257 — CRITICAL (9.8)

Q: How severe is CVE-2026-3257?

CVE-2026-3257 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-3257?

Check the references section above for vendor advisories and patch information. Affected products include: Tokuhirom Unqlite.

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tokuhirom	Unqlite	< 0.07

References

https://metacpan.org/release/TOKUHIROM/UnQLite-0.07/source/ChangesRelease Notes
https://unqlite.symisc.net/Product
https://www.cve.org/CVERecord?id=CVE-2025-3791Third Party Advisory

FAQ

What is CVE-2026-3257?

CVE-2026-3257 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ver...

How severe is CVE-2026-3257?

CVE-2026-3257 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-3257?

Check the references section above for vendor advisories and patch information. Affected products include: Tokuhirom Unqlite.