CVE-2026-24793

A heap-based buffer over-read or buffer overflow vulnerability in azerothcore/azerothcore-wotlk

State: Published
Severity: 10.0 Critical
Published: Jan 27, 2026
Updated: Jan 27, 2026
Reserved: Jan 27, 2026

Description

Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in azerothcore azerothcore-wotlk (deps/zlib modules). This vulnerability is associated with program files inflate.C.

This issue affects azerothcore-wotlk: through v4.0.0.

Scores

CVSS	Score	Vector	Source
4.0	10.0 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:C/RE:L/U:Red	GovTech CSG

Weaknesses

CWE-787 Out-of-bounds Write
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
azerothcore-wotlkazerothcore	v4.0.0 and earlierAffected

References

https://github.com/azerothcore/azerothcore-wotlk/pull/21599patch

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