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[AutoPR- Security] Patch nmap for CVE-2026-58058 [MEDIUM] #17870

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Merged
kgodara912 merged 1 commit into from
Jul 2, 2026
+38 −1
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[AutoPR- Security] Patch nmap for CVE-2026-58058 [MEDIUM] #17870

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33 changes: 33 additions & 0 deletions SPECS/nmap/CVE-2026-58058.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
From fa30389e3aab8a83b991e62944eaa5ab6cd6fbda Mon Sep 17 00:00:00 2001
From: dmiller <dmiller@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Thu, 25 Jun 2026 21:58:49 +0000
Subject: [PATCH] Fix extension header parsing. Credit: Himanshu Anand

Signed-off-by: Azure Linux Security Servicing Account <azurelinux-security@microsoft.com>
Upstream-reference: https://github.com/nmap/nmap/commit/bb6754e76bb1686315008e1aa1c40202a513fb83.patch
---
libnetutil/netutil.cc | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libnetutil/netutil.cc b/libnetutil/netutil.cc
index 011d249..e837b6c 100644
--- a/libnetutil/netutil.cc
+++ b/libnetutil/netutil.cc
@@ -621,11 +621,13 @@ static const void *ipv6_get_data_primitive(const struct ip6_hdr *ip6,
*nxt = ip6->ip6_nxt;
p += sizeof(*ip6);
while (p < end && ipv6_is_extension_header(*nxt)) {
- if (p + 2 > end)
+ if (p + 8 > end)
return NULL;
*nxt = *p;
p += (*(p + 1) + 1) * 8;
}
+ if (p >= end)
+ return NULL;

*len = end - p;
if (upperlayer_only && !ipv6_is_upperlayer(*nxt))
--
2.45.4

6 changes: 5 additions & 1 deletion SPECS/nmap/nmap.spec
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
Summary: Nmap Network Mapper
Name: nmap
Version: 7.95
Release: 3%{?dist}
Release: 4%{?dist}
License: Nmap
Vendor: Microsoft Corporation
Distribution: Azure Linux
Expand All @@ -22,6 +22,7 @@ Patch0: remove_openssl_macro.patch
Patch1: CVE-2024-8006.patch
Patch2: CVE-2023-7256.patch
Patch3: CVE-2025-11961.patch
Patch4: CVE-2026-58058.patch

%description
Nmap ("Network Mapper") is a free and open source utility for network discovery and security auditing.
Expand Down Expand Up @@ -66,6 +67,9 @@ ln -s ncat %{buildroot}%{_bindir}/nc
%{_bindir}/nc

%changelog
* Tue Jun 30 2026 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 7.95-4
- Patch for CVE-2026-58058

* Mon Jan 05 2026 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 7.95-3
- Patch for CVE-2025-11961

Expand Down
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