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[2a01:cb00:1331:aa00:a2e4:fb7b:d88:7544]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-435e131ce70sm52293041f8f.27.2026.02.03.02.19.32 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Feb 2026 02:19:32 -0800 (PST) From: Yoann Congal To: openembedded-core@lists.openembedded.org Subject: [OE-core][whinlatter v2 16/22] glib-2.0: patch CVE-2026-0988 Date: Tue, 3 Feb 2026 11:16:45 +0100 Message-ID: X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Tue, 03 Feb 2026 10:19:44 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/230444 From: Peter Marko Pick relevant commit from [2] linked from [1]. [1] https://gitlab.gnome.org/GNOME/glib/-/issues/3851 [2] https://gitlab.gnome.org/GNOME/glib/-/merge_requests/4944 Signed-off-by: Peter Marko Signed-off-by: Mathieu Dubois-Briand (cherry picked from commit 0316decd300839be34b384381a6de7fa3e68f8e0) Signed-off-by: Yoann Congal --- .../glib-2.0/files/CVE-2026-0988.patch | 58 +++++++++++++++++++ meta/recipes-core/glib-2.0/glib.inc | 1 + 2 files changed, 59 insertions(+) create mode 100644 meta/recipes-core/glib-2.0/files/CVE-2026-0988.patch diff --git a/meta/recipes-core/glib-2.0/files/CVE-2026-0988.patch b/meta/recipes-core/glib-2.0/files/CVE-2026-0988.patch new file mode 100644 index 00000000000..daf86224d5d --- /dev/null +++ b/meta/recipes-core/glib-2.0/files/CVE-2026-0988.patch @@ -0,0 +1,58 @@ +From c5766cff61ffce0b8e787eae09908ac348338e5f Mon Sep 17 00:00:00 2001 +From: Philip Withnall +Date: Thu, 18 Dec 2025 23:12:18 +0000 +Subject: [PATCH] gbufferedinputstream: Fix a potential integer overflow in + peek() + +If the caller provides `offset` and `count` arguments which overflow, +their sum will overflow and could lead to `memcpy()` reading out more +memory than expected. + +Spotted by Codean Labs. + +Signed-off-by: Philip Withnall + +Fixes: #3851 + +CVE: CVE-2026-0988 +Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/glib/-/commit/c5766cff61ffce0b8e787eae09908ac348338e5f] +Signed-off-by: Peter Marko +--- + gio/gbufferedinputstream.c | 2 +- + gio/tests/buffered-input-stream.c | 10 ++++++++++ + 2 files changed, 11 insertions(+), 1 deletion(-) + +diff --git a/gio/gbufferedinputstream.c b/gio/gbufferedinputstream.c +index 9e6bacc62..56d656be0 100644 +--- a/gio/gbufferedinputstream.c ++++ b/gio/gbufferedinputstream.c +@@ -590,7 +590,7 @@ g_buffered_input_stream_peek (GBufferedInputStream *stream, + + available = g_buffered_input_stream_get_available (stream); + +- if (offset > available) ++ if (offset > available || offset > G_MAXSIZE - count) + return 0; + + end = MIN (offset + count, available); +diff --git a/gio/tests/buffered-input-stream.c b/gio/tests/buffered-input-stream.c +index a1af4eeff..2b2a0d9aa 100644 +--- a/gio/tests/buffered-input-stream.c ++++ b/gio/tests/buffered-input-stream.c +@@ -60,6 +60,16 @@ test_peek (void) + g_assert_cmpint (npeek, ==, 0); + g_free (buffer); + ++ buffer = g_new0 (char, 64); ++ npeek = g_buffered_input_stream_peek (G_BUFFERED_INPUT_STREAM (in), buffer, 8, 0); ++ g_assert_cmpint (npeek, ==, 0); ++ g_free (buffer); ++ ++ buffer = g_new0 (char, 64); ++ npeek = g_buffered_input_stream_peek (G_BUFFERED_INPUT_STREAM (in), buffer, 5, G_MAXSIZE); ++ g_assert_cmpint (npeek, ==, 0); ++ g_free (buffer); ++ + g_object_unref (in); + g_object_unref (base); + } diff --git a/meta/recipes-core/glib-2.0/glib.inc b/meta/recipes-core/glib-2.0/glib.inc index bd87d9c601b..2e15cc7675b 100644 --- a/meta/recipes-core/glib-2.0/glib.inc +++ b/meta/recipes-core/glib-2.0/glib.inc @@ -231,6 +231,7 @@ SRC_URI += "\ file://0001-gio-tests-resources.c-comment-out-a-build-host-only-.patch \ file://0010-Do-not-hardcode-python-path-into-various-tools.patch \ file://skip-timeout.patch \ + file://CVE-2026-0988.patch \ " SRC_URI:append:class-native = " file://relocate-modules.patch \ file://0001-meson.build-do-not-enable-pidfd-features-on-native-g.patch \