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[AutoPR- Security] Patch python-lxml for CVE-2026-49825 [HIGH] #18540

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[AutoPR- Security] Patch python-lxml for CVE-2026-49825 [HIGH] #18540

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40 changes: 40 additions & 0 deletions SPECS/python-lxml/CVE-2026-49825.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,40 @@
From 1a061a9645e346075ef690dc9501dabf601fe114 Mon Sep 17 00:00:00 2001
From: Stefan Behnel <stefan_ml@behnel.de>
Date: Sun, 17 May 2026 21:42:51 +0200
Subject: [PATCH] Add missing "xlink:href" to the known HTML link attributes.
Closes
https://github.com/fedora-python/lxml_html_clean/security/advisories/GHSA-4jhm-jv67-739f

Signed-off-by: Azure Linux Security Servicing Account <azurelinux-security@microsoft.com>
Upstream-reference: https://github.com/lxml/lxml/commit/5927a6d5e851845140975d99b65461e255caaab0.patch
---
src/lxml/html/defs.py | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/lxml/html/defs.py b/src/lxml/html/defs.py
index 2058ea3..da7edf8 100644
--- a/src/lxml/html/defs.py
+++ b/src/lxml/html/defs.py
@@ -24,7 +24,9 @@ link_attrs = frozenset([
# Not standard:
'dynsrc', 'lowsrc',
# HTML5 formaction
- 'formaction'
+ 'formaction',
+ # XLink as used by HTML5 (including embedded SVG/MathML)
+ 'xlink:href',
])

# Not in the HTML 4 spec:
@@ -117,7 +119,7 @@ font_style_tags = frozenset([
frame_tags = frozenset([
'frameset', 'frame', 'noframes',
])
-
+
html5_tags = frozenset([
'article', 'aside', 'audio', 'canvas', 'command', 'datalist',
'details', 'embed', 'figcaption', 'figure', 'footer', 'header',
--
2.45.4

6 changes: 5 additions & 1 deletion SPECS/python-lxml/python-lxml.spec
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Expand Up @@ -3,7 +3,7 @@
Summary: XML and HTML with Python
Name: python-lxml
Version: 4.9.3
Release: 2%{?dist}
Release: 3%{?dist}
# Test suite (and only the test suite) is GPLv2+
License: BSD and GPLv2+
Vendor: Microsoft Corporation
Expand All @@ -12,6 +12,7 @@ URL: https://lxml.de
Source0: https://github.com/lxml/lxml/releases/download/lxml-%{version}/lxml-%{version}.tar.gz
Patch0: noexcept.patch
Patch1: CVE-2026-41066.patch
Patch2: CVE-2026-49825.patch
BuildRequires: libxslt-devel
BuildRequires: libxml2-devel
BuildRequires: python3-Cython
Expand Down Expand Up @@ -53,6 +54,9 @@ make test
%{python3_sitelib}/*

%changelog
* Fri Aug 21 2026 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 4.9.3-3
- Patch for CVE-2026-49825

* Wed Apr 29 2026 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 4.9.3-2
- Patch for CVE-2026-41066

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2 changes: 1 addition & 1 deletion toolkit/resources/manifests/package/toolchain_aarch64.txt
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Expand Up @@ -545,7 +545,7 @@ python3-libcap-ng-0.8.4-1.azl3.aarch64.rpm
python3-libmount-2.40.2-5.azl3.aarch64.rpm
python3-libs-3.12.14-1.azl3.aarch64.rpm
python3-libxml2-2.11.5-10.azl3.aarch64.rpm
python3-lxml-4.9.3-2.azl3.aarch64.rpm
python3-lxml-4.9.3-3.azl3.aarch64.rpm
python3-magic-5.45-1.azl3.noarch.rpm
python3-markupsafe-2.1.3-1.azl3.aarch64.rpm
python3-newt-0.52.23-1.azl3.aarch64.rpm
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2 changes: 1 addition & 1 deletion toolkit/resources/manifests/package/toolchain_x86_64.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -553,7 +553,7 @@ python3-libcap-ng-0.8.4-1.azl3.x86_64.rpm
python3-libmount-2.40.2-5.azl3.x86_64.rpm
python3-libs-3.12.14-1.azl3.x86_64.rpm
python3-libxml2-2.11.5-10.azl3.x86_64.rpm
python3-lxml-4.9.3-2.azl3.x86_64.rpm
python3-lxml-4.9.3-3.azl3.x86_64.rpm
python3-magic-5.45-1.azl3.noarch.rpm
python3-markupsafe-2.1.3-1.azl3.x86_64.rpm
python3-newt-0.52.23-1.azl3.x86_64.rpm
Expand Down
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