Nmap 7.9.9 Extension Header Integer Underflow

Proof of concept for the IPv6 extension header integer underflow discovered in Nmap version 7.9.9. Exploit Title: Nmap 7.99 - Extension Header Integer Underflow CVE: CVE-2026-58058 Date: 2026-06-29 Exploit Author: Mohammed Idrees Banyamer Author Country: Jordan Instagram: @banyamersecurity Author...

Nmap 7.99 - Extension Header Integer Underflow

Exploit Title: Nmap 7.99 - Extension Header Integer Underflow CVE: CVE-2026-58058 Date: 2026-06-29 Exploit Author: Mohammed Idrees Banyamer Author Country: Jordan Instagram: @banyamersecurity Author GitHub: https://github.com/mbanyamer Author Blog : https://banyamersecurity.com/blog/ Vendor...

Security update for nmap

This update for nmap fixes the following issue: CVE-2026-58058: crafted IPv6 response with a truncated extension header can trigger out-of-bounds reads and a crash bsc1269570. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or...

Security update for nmap

This update for nmap fixes the following issue CVE-2026-58058: crafted IPv6 response with a truncated extension header can trigger out-of-bounds reads and a crash bsc1269570. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or...

Security update for nmap

This update for nmap fixes the following issue: CVE-2026-58058: crafted IPv6 response with a truncated extension header can trigger out-of-bounds reads and a crash bsc1269570. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or...

OESA-2026-3094 nmap security update

Nmap "Network Mapper" is a free and open source license utility for network discovery and security \ auditing. It was designed to rapidly scan large networks, but works fine against single hosts. Security Fixes: Nmap through 7.99 does not keep the IPv6 extension-header walk within the captured...

Updated nmap packages fix a security vulnerability

The updated packages fix a security vulnerability: Integer Underflow in IPv6 Extension Header Parsing. CVE-2026-58058...

MGASA-2026-0268 Updated nmap packages fix a security vulnerability

The updated packages fix a security vulnerability: Integer Underflow in IPv6 Extension Header Parsing. CVE-2026-58058...

OESA-2026-2957 nmap security update

Nmap "Network Mapper" is a free and open source license utility for network discovery and security \ auditing. It was designed to rapidly scan large networks, but works fine against single hosts. Security Fixes: Nmap through 7.99 does not keep the IPv6 extension-header walk within the captured...

Fedora 44 : nmap (2026-3b30fa1da4)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-3b30fa1da4 advisory. - Fix CVE-2026-58058 rhbz2494410 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not...