Vulnerability · Published Mar 5, 2026 · Assigned by CPANSec
CVE-2026-3257UnQLite versions through 0.06 for Perl uses a potentially insecure version of the UnQLite library
Critical 9.8
In plain English
A critical-severity security flaw in UnQLite from TOKUHIROM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 59.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-1395 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://metacpan.org/release/TOKUHIROM/UnQLite-0.07/source/Changes release-notes
- https://www.cve.org/CVERecord?id=CVE-2025-3791 vendor-advisory, related, vdb-entry
- https://unqlite.symisc.net/