CVEvulnerability

CVE-2003-0899

9.8 CRITICAL Published 2003-11-03 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2003-11-03
Last modified
2026-06-16
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-131

Description

Buffer overflow in defang in libhttpd.c for thttpd 2.21 to 2.23b1 allows remote attackers to execute arbitrary code via requests that contain '<' or '>' characters, which trigger the overflow when the characters are expanded to "&lt;" and "&gt;" sequences.

Affected configurations

• acme thttpd (>= 2.21 < 2.23) • acme thttpd 2.23

Related

Weakness · CWE (1)

  • CWE-131 Incorrect Calculation of Buffer Size weakness

Referenced by CWE · observed example (1)

  • CWE-131 Incorrect Calculation of Buffer Size weakness

References