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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00055.

Exploitation poc

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
azerothcore azerothcore-wotlk affected
Version Status Constraints
0 affected ≤ v4.0.0

Configuration 1 [-]

cpe:2.3:a:azerothcore:azerothcore:*:*:*:*:*:*:*:*

No data.

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Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/azerothcore/azerothcore-wotlk/pull/21599 cve-icon cve-icon cve-icon
History

Tue, 17 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Azerothcore azerothcore
CPEs cpe:2.3:a:azerothcore:azerothcore:*:*:*:*:*:*:*:*
Vendors & Products Azerothcore azerothcore
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Tue, 27 Jan 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 27 Jan 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Azerothcore
Azerothcore wotlk
Vendors & Products Azerothcore
Azerothcore wotlk

Tue, 27 Jan 2026 08:30:00 +0000

Type Values Removed Values Added
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.
Title A heap-based buffer over-read or buffer overflow vulnerability in azerothcore/azerothcore-wotlk
Weaknesses CWE-120
CWE-787
References
Metrics cvssV4_0

{'score': 10, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GovTech CSG

Published:

Updated: 2026-01-27T21:39:36.880Z

Reserved: 2026-01-27T08:18:43.267Z

Link: CVE-2026-24793

cve-icon Vulnrichment

Updated: 2026-01-27T21:10:21.267Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-27T09:15:48.940

Modified: 2026-02-17T20:01:06.373

Link: CVE-2026-24793

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-27T20:16:57Z

Weaknesses