CVE-2026-8258CWE-119CWE-121
Squirrel sqstdstring.cpp validate_format stack-based overflow
Medium · published May 11, 2026
What it is
A flaw has been found in Squirrel up to 3.2. Impacted is the function validate_format in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
The record
Technical detail
- CVSS v4.0
- 4.8 · MEDIUM
- Vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- EPSS
- 0.00171 · 6.2th percentile
- Weaknesses
- CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
- Published
- 2026-05-11T00:45Z
EPSS history
Timeline