Detections
Analytics

Chainguard: multiple nmap packages: security update to 7.991-r0

medium Tenable Cloud Security Plugin ID 474207

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Nmap through 7.99 does not keep the IPv6 extension-header walk within the captured packet in
 ipv6_get_data_primitive (libnetutil/netutil.cc), so the pointer advances past the buffer and the
 remaining-length computation underflows to a large value. A scanned target or on-path attacker returning a
 crafted IPv6 response with a truncated extension header can trigger out-of-bounds reads and a crash during
 raw IPv6 scans. (CVE-2026-58058)

Solution

Update the nmap library and its related packages to version 7.991-r0 or later.

Plugin Details

Severity: Medium

ID: 474207

Version: Revision 1.1

Type: Local

Published: 10/10/2026

Updated: 10/10/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.92

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS Score Source: CVE-2026-58058

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 6/28/2026

Reference Information

CVE: CVE-2026-58058