CVE-2017-20229CWE-787

MAWK 1.3.3-17 Stack-Based Buffer Overflow

Critical · published March 28, 2026

CVSS v4.0
9.3
EPSS
1%
Percentile
48.1
In the wild
Unconfirmed
What it is

MAWK 1.3.3-17 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting inadequate boundary checks on user-supplied input. Attackers can craft malicious input that overflows the stack buffer and execute a return-oriented programming chain to spawn a shell with application privileges.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00602 · 48.1th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-03-28T11:58Z
EPSS history
Timeline
  • 28 MAR 11:58Z
    MAWK 1.3.3-17 Stack-Based Buffer Overflow
    cvelistv5