CVE-2026-24821 A heap-based buffer over-read that might affect a system that compiles untrusted Lua code in turanszkij/WickedEngine.
A heap-based buffer over-read in WickedEngine's Lua parser allows attackers to cause crashes or leak memory when compiling untrusted code.
- 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-2026-24821?
CVE-2026-24821 is a critical memory corruption vulnerability in turanszkij WickedEngine, 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 Read vulnerability in turanszkij WickedEngine (WickedEngine/LUA modules). This vulnerability is associated with program files lparser.C.
This issue affects WickedEngine: through 0.71.727.
Weakness: CWE-125
Which versions are affected by CVE-2026-24821?
How do I fix CVE-2026-24821?
No fix has been published for CVE-2026-24821 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-2026-24821 being exploited?
There is no known exploitation of CVE-2026-24821 in the wild and no public exploit code.
Sources
Also known as GHSA-mfmq-rvc6-qmj6.