Skip to content

[AutoPR- Security] Patch emacs for CVE-2026-6861 [MEDIUM] #16928

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
azurelinux-security wants to merge 1 commit into
base: 3.0-dev
Choose a base branch
from
+33 −1
Open

[AutoPR- Security] Patch emacs for CVE-2026-6861 [MEDIUM] #16928

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 28 additions & 0 deletions SPECS/emacs/CVE-2026-6861.patch
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
From bf29cc85ce8cc77c0392887020f55d73bb0e0d18 Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 18 Apr 2026 10:35:05 +0300
Subject: [PATCH] * src/image.c (svg_load_image): Fix off-by-one mistake
(bug#80851).

Signed-off-by: Azure Linux Security Servicing Account <azurelinux-security@microsoft.com>
Upstream-reference: https://cgit.git.savannah.gnu.org/cgit/emacs.git/patch/?id=8f535370b9efbc91673b20c6987a5cae4f6dc562
---
src/image.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/image.c b/src/image.c
index 911dfc4..15e68d7 100644
--- a/src/image.c
+++ b/src/image.c
@@ -11247,7 +11247,7 @@ svg_load_image (struct frame *f, struct image *img, char *contents,
{
css = xmalloc (SBYTES (lcss) + 1);
strncpy (css, SSDATA (lcss), SBYTES (lcss));
- *(css + SBYTES (lcss) + 1) = 0;
+ *(css + SBYTES (lcss)) = 0;
}
#endif

--
2.45.4

6 changes: 5 additions & 1 deletion SPECS/emacs/emacs.spec
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
Summary: GNU Emacs text editor
Name: emacs
Version: 29.4
Release: 3%{?dist}
Release: 4%{?dist}
License: GPLv3+ AND CC0-1.0
Vendor: Microsoft Corporation
Distribution: Azure Linux
Expand All @@ -12,6 +12,7 @@ Source1: site-start.el
Source2: default.el
Patch0: CVE-2025-1244.patch
Patch1: CVE-2024-53920.patch
Patch2: CVE-2026-6861.patch
BuildRequires: gcc
BuildRequires: glibc-devel
BuildRequires: gnutls-devel
Expand Down Expand Up @@ -130,6 +131,9 @@ rm -f *-filelist {common,el}-*-files
%dir %{_datadir}/emacs/site-lisp/site-start.d

%changelog
* Wed Apr 29 2026 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 29.4-4
- Patch for CVE-2026-6861

* Mon Mar 17 2025 Henry Li <lihl@microsoft.com> - 29.4-3
- Add patch to resolve CVE-2024-53920

Expand Down
Loading