Skip to content

[AutoPR- Security] Patch libgcrypt for CVE-2026-41989 [LOW] #16876

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

Draft
azurelinux-security wants to merge 1 commit into
base: 3.0-dev
Choose a base branch
from
Draft

[AutoPR- Security] Patch libgcrypt for CVE-2026-41989 [LOW] #16876

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
42 changes: 42 additions & 0 deletions SPECS/libgcrypt/CVE-2026-41989.patch
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,42 @@
From 23cdb6434d605db7675b59fcd858c99475654a59 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Fri, 10 Apr 2026 16:58:57 +0900
Subject: [PATCH] cipher:ecc: Fix decoding a point on Montgomery curve.

* cipher/ecc-misc.c (_gcry_ecc_mont_decodepoint): Fix the padding
mistake and add updating RAWMPILEN.

--

Reported by Calif.io in collaboration with Claude and Anthropic
Research.

GnuPG-bug-id: 8211
Fixes-commit: bbe15758c893dbf546416c1a6bccdad1ab000ad7
Suggested-by: Bronson Yen <bronson@calif.io>
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
Signed-off-by: Azure Linux Security Servicing Account <azurelinux-security@microsoft.com>
Upstream-reference: https://github.com/gpg/libgcrypt/commit/2d3d732c9bf87cc10729f69678dd9e6862f99fa3.patch
---
cipher/ecc-misc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cipher/ecc-misc.c b/cipher/ecc-misc.c
index 6796ba2..fd429a0 100644
--- a/cipher/ecc-misc.c
+++ b/cipher/ecc-misc.c
@@ -438,7 +438,10 @@ _gcry_ecc_mont_decodepoint (gcry_mpi_t pk, mpi_ec_t ec, mpi_point_t result)
*--p = *buf++;

if (rawmpilen < nbytes)
- memset (rawmpi + nbytes - rawmpilen, 0, nbytes - rawmpilen);
+ {
+ memset (rawmpi + rawmpilen, 0, nbytes - rawmpilen);
+ rawmpilen = nbytes;
+ }
}
else
{
--
2.45.4

6 changes: 5 additions & 1 deletion SPECS/libgcrypt/libgcrypt.spec
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,13 +1,14 @@
Summary: GNU Crypto Libraries
Name: libgcrypt
Version: 1.10.3
Release: 1%{?dist}
Release: 2%{?dist}
License: GPLv2+ and LGPLv2+ and BSD and MIT and Public Domain
Vendor: Microsoft Corporation
Distribution: Azure Linux
Group: System Environment/Libraries
URL: https://gnupg.org/related_software/libgcrypt/
Source0: https://gnupg.org/ftp/gcrypt/%{name}/%{name}-%{version}.tar.bz2
Patch0: CVE-2026-41989.patch
BuildRequires: libgpg-error-devel
Requires: libgpg-error

Expand Down Expand Up @@ -59,6 +60,9 @@ rm -rf %{buildroot}%{_infodir}
%{_libdir}/pkgconfig/%{name}.pc

%changelog
* Fri Apr 24 2026 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 1.10.3-2
- Patch for CVE-2026-41989

* Tue Jul 15 2025 Andrew Phelps <anphel@microsoft.com> - 1.10.3-1
- Upgrade to 1.10.3

Expand Down
2 changes: 1 addition & 1 deletion toolkit/resources/manifests/package/pkggen_core_aarch64.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -222,7 +222,7 @@ tdnf-plugin-repogpgcheck-3.5.8-8.azl3.aarch64.rpm
libassuan-2.5.6-1.azl3.aarch64.rpm
libassuan-devel-2.5.6-1.azl3.aarch64.rpm
libgpg-error-1.48-1.azl3.aarch64.rpm
libgcrypt-1.10.3-1.azl3.aarch64.rpm
libgcrypt-1.10.3-2.azl3.aarch64.rpm
libksba-1.6.4-1.azl3.aarch64.rpm
libksba-devel-1.6.4-1.azl3.aarch64.rpm
libxslt-1.1.43-3.azl3.aarch64.rpm
Expand Down
2 changes: 1 addition & 1 deletion toolkit/resources/manifests/package/pkggen_core_x86_64.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -222,7 +222,7 @@ tdnf-plugin-repogpgcheck-3.5.8-8.azl3.x86_64.rpm
libassuan-2.5.6-1.azl3.x86_64.rpm
libassuan-devel-2.5.6-1.azl3.x86_64.rpm
libgpg-error-1.48-1.azl3.x86_64.rpm
libgcrypt-1.10.3-1.azl3.x86_64.rpm
libgcrypt-1.10.3-2.azl3.x86_64.rpm
libksba-1.6.4-1.azl3.x86_64.rpm
libksba-devel-1.6.4-1.azl3.x86_64.rpm
libxslt-1.1.43-3.azl3.x86_64.rpm
Expand Down
6 changes: 3 additions & 3 deletions toolkit/resources/manifests/package/toolchain_aarch64.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -189,9 +189,9 @@ libffi-devel-3.4.4-1.azl3.aarch64.rpm
libgcc-13.2.0-7.azl3.aarch64.rpm
libgcc-atomic-13.2.0-7.azl3.aarch64.rpm
libgcc-devel-13.2.0-7.azl3.aarch64.rpm
libgcrypt-1.10.3-1.azl3.aarch64.rpm
libgcrypt-debuginfo-1.10.3-1.azl3.aarch64.rpm
libgcrypt-devel-1.10.3-1.azl3.aarch64.rpm
libgcrypt-1.10.3-2.azl3.aarch64.rpm
libgcrypt-debuginfo-1.10.3-2.azl3.aarch64.rpm
libgcrypt-devel-1.10.3-2.azl3.aarch64.rpm
libgomp-13.2.0-7.azl3.aarch64.rpm
libgomp-devel-13.2.0-7.azl3.aarch64.rpm
libgpg-error-1.48-1.azl3.aarch64.rpm
Expand Down
6 changes: 3 additions & 3 deletions toolkit/resources/manifests/package/toolchain_x86_64.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -197,9 +197,9 @@ libffi-devel-3.4.4-1.azl3.x86_64.rpm
libgcc-13.2.0-7.azl3.x86_64.rpm
libgcc-atomic-13.2.0-7.azl3.x86_64.rpm
libgcc-devel-13.2.0-7.azl3.x86_64.rpm
libgcrypt-1.10.3-1.azl3.x86_64.rpm
libgcrypt-debuginfo-1.10.3-1.azl3.x86_64.rpm
libgcrypt-devel-1.10.3-1.azl3.x86_64.rpm
libgcrypt-1.10.3-2.azl3.x86_64.rpm
libgcrypt-debuginfo-1.10.3-2.azl3.x86_64.rpm
libgcrypt-devel-1.10.3-2.azl3.x86_64.rpm
libgomp-13.2.0-7.azl3.x86_64.rpm
libgomp-devel-13.2.0-7.azl3.x86_64.rpm
libgpg-error-1.48-1.azl3.x86_64.rpm
Expand Down
Loading