CVE-2026-24822CWE-122CWE-787

a heap-based buffer overflow vulnerability in ttttupup/wxhelper via src/mongoose.

Critical · published January 27, 2026

CVSS v4.0
10.0
EPSS
0%
Percentile
30.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
10.0 · CRITICAL
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/AU:Y/R:U/V:D/RE:M/U:Red
EPSS
0.00376 · 30.4th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-787 · Out-of-bounds Write
Published
2026-01-27T08:58Z
EPSS history
Timeline
  • 27 JAN 08:58Z
    a heap-based buffer overflow vulnerability in ttttupup/wxhelper via src/mongoose.
    cvelistv5