CVE-2026-112274

medium

Description

libtins through 4.6 contains an out-of-bounds read vulnerability in DNS::soa_record::init that allows remote attackers to read past buffer bounds by supplying SOA data lacking NUL terminators. Attackers can feed raw SOA RDATA without a zero byte to applications using the buffer constructor, causing strlen to overrun the heap buffer and possibly crash.

References

https://www.vulncheck.com/advisories/libtins-through-4.6-out-of-bounds-read-via-dns-soa-record-init

https://hackmd.io/@haindpwn/libtins-dns-name-parsing-oob-read

https://github.com/mfontanini/libtins/blob/v4.6/src/dns.cpp#L698-L710

https://github.com/mfontanini/libtins

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-104299

Details

Source: Mitre, NVD

Published: 2026-10-19

Updated: 2026-10-19

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 3.7

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

Severity: Low

CVSS v4

Base Score: 6.3

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00521