CVE-2026-24822 a heap-based buffer overflow vulnerability in ttttupup/wxhelper via src/mongoose.
A heap-based buffer overflow in wxhelper allows attackers to execute arbitrary code or cause a denial of service via crafted input.
- 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-2026-24822?
CVE-2026-24822 is a critical memory corruption vulnerability in ttttupup wxhelper, 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, Heap-based Buffer Overflow vulnerability in ttttupup wxhelper (src modules). This vulnerability is associated with program files mongoose.C.
This issue affects wxhelper: through 3.9.10.19-v1.
Which versions are affected by CVE-2026-24822?
How do I fix CVE-2026-24822?
No fix has been published for CVE-2026-24822 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-2026-24822 being exploited?
There is no known exploitation of CVE-2026-24822 in the wild and no public exploit code.
Sources
Also known as GHSA-3vcc-ghcj-6f52.