CVE-2026-24793 A heap-based buffer over-read or buffer overflow vulnerability in azerothcore/azerothcore-wotlk
A buffer overflow in the zlib dependency allows attackers to execute arbitrary code or crash the AzerothCore server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-24793?
CVE-2026-24793 is a critical memory corruption vulnerability in azerothcore-wotlk, published on 27 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-24793?
It affects 1 product.
Products include Azerothcore Azerothcore.
How do I fix CVE-2026-24793?
No fix has been published for CVE-2026-24793 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-24793 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24793 exists.
Sources
Also known as AZL-75821, AZL-75836, GHSA-j644-xc9q-497g.