CVE-2026-3257
UnQLite versions through 0.06 for Perl uses a potentially insecure version of the UnQLite library
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
UnQLite versions through 0.06 for Perl uses a potentially insecure version of the UnQLite library
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.
- Record
CVE-2026-3257- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1395
- Updated
- 2026-11-02
EUVDEUVD-2026-9519
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.
- Record
EUVD-2026-9519- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4rjc-gpxw-9fr5
UnQLite versions through 0.06 for Perl uses a potentially insecure version of the UnQLite library...
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.
- Record
GHSA-4rjc-gpxw-9fr5- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-3257- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV
UnQLite versions through 0.06 for Perl uses a potentially insecure version of the UnQLite library
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.
- Record
CVE-2026-3257- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1395
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-3257 is a critical vulnerability (CVSS 9.8) in Tokuhirom Unqlite, published March 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. No source names a fixed version.
References
metacpan.org/release/TOKUHIROM/UnQLite-0.07/source/Changes
cve.org/CVERecord?id=CVE-2025-3791
unqlite.symisc.net
nvd.nist.gov/vuln/detail/CVE-2026-3257
github.com/advisories/GHSA-4rjc-gpxw-9fr5
cpan.org/modules