CVE-2026-58058: nmap through 7.99 (inclusive); +1 more affected products

CVE-2026-58058. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.01454 (percentile 0.73289), scored 24-Oct-2026.

Affected technology

nmap · through 7.99 (inclusive)
nmap

Nmap · 0 through 7.99
Nmap

Description’s affected range: through 7.99 does not keep the IPv6 extension-header walk within the captured packet in ipv6_get_data_primitive (libnetutil/netutil.cc)

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality and availability impact as low; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-191
CCR priority: 26.4 /100 (P4)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L · Vendor/CNA
EPSS: 0.01454 · percentile 0.73266 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-58058.html