Vulnerability · Published Jan 29, 2026 · Assigned by mitre
CVE-2025-63655
High 7.5
In plain English
A high-severity null pointer dereference in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 8.6% (higher than 95% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)8.6%top 4.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A NULL pointer dereference in the mk_http_range_parse function (mk_server/mk_http.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.
Affected products (as reported)
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H