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CVE-2026-58058

Опубликовано: 29 июн. 2026
Источник: msrc
CVSS3: 6.5
EPSS Низкий

Описание

Nmap - Integer Underflow in IPv6 Extension Header Parsing

EPSS

Процентиль: 74%
0.01454
Низкий

6.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 6.5
ubuntu
4 месяца назад

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.

CVSS3: 6.5
redhat
4 месяца назад

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.

CVSS3: 6.5
nvd
4 месяца назад

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.

CVSS3: 6.5
debian
4 месяца назад

Nmap through 7.99 does not keep the IPv6 extension-header walk within ...

suse-cvrf
3 месяца назад

Security update for nmap

EPSS

Процентиль: 74%
0.01454
Низкий

6.5 Medium

CVSS3