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HIGH

CVE-2025-63658

CVSS v3

7.5

HIGH

EPSS Score

1.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

none

SSVC status

Description

A stack overflow in the mk_http_index_lookup 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.

Technical details

Published
2026-01-29
Last Modified
2026-02-13

Frequently asked questions

What is CVE-2025-63658?

A stack overflow in the mk_http_index_lookup 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.

Is CVE-2025-63658 actively exploited?

Active exploitation of CVE-2025-63658 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-63658?

CVE-2025-63658 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2025-63658 affecting your environment?

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