diff mbox series

[meta-oe,scarthgap,16/22] freerdp3: fix CVE-2026-29776

Message ID 20260409070919.3968586-16-ankur.tyagi85@gmail.com
State New
Headers show
Series [meta-oe,scarthgap,1/22] abseil-cpp: ignore CVE-2025-0838 | expand

Commit Message

Ankur Tyagi April 9, 2026, 7:09 a.m. UTC 
From: Ankur Tyagi <ankur.tyagi85@gmail.com>

Details: https://nvd.nist.gov/vuln/detail/CVE-2026-29776

Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
---
 .../freerdp/freerdp3/CVE-2026-29776.patch     | 30 +++++++++++++++++++
 .../recipes-support/freerdp/freerdp3_3.4.0.bb |  1 +
 2 files changed, 31 insertions(+)
 create mode 100644 meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-29776.patch
diff mbox series

Patch

diff --git a/meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-29776.patch b/meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-29776.patch
new file mode 100644
index 0000000000..0ab2114670
--- /dev/null
+++ b/meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-29776.patch
@@ -0,0 +1,30 @@ 
+From 145c0c5f048894e4a7d09a4465eab7551f035bb0 Mon Sep 17 00:00:00 2001
+From: Armin Novak <armin.novak@thincast.com>
+Date: Tue, 3 Mar 2026 13:58:09 +0100
+Subject: [PATCH] [core,orders] improve input validation
+
+check length before subtracting. Might underflow and be cought by the
+next check, but lets be strict.
+
+(cherry picked from commit a9e0abf2eac8c2e370fa155bf1abb9d044c0ca8a)
+
+CVE: CVE-2026-29776
+Upstream-Status: Backport [https://github.com/FreeRDP/FreeRDP/commit/a9e0abf2eac8c2e370fa155bf1abb9d044c0ca8a]
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ libfreerdp/core/orders.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/libfreerdp/core/orders.c b/libfreerdp/core/orders.c
+index 855b700ac..a9d779418 100644
+--- a/libfreerdp/core/orders.c
++++ b/libfreerdp/core/orders.c
+@@ -2214,6 +2214,8 @@ static CACHE_BITMAP_ORDER* update_read_cache_bitmap_order(rdpUpdate* update, wSt
+ 				goto fail;
+ 
+ 			Stream_Read(s, bitmapComprHdr, 8); /* bitmapComprHdr (8 bytes) */
++			if (cache_bitmap->bitmapLength < 8)
++				goto fail;
+ 			cache_bitmap->bitmapLength -= 8;
+ 		}
+ 	}
diff --git a/meta-oe/recipes-support/freerdp/freerdp3_3.4.0.bb b/meta-oe/recipes-support/freerdp/freerdp3_3.4.0.bb
index e3d71ee854..74f80ee948 100644
--- a/meta-oe/recipes-support/freerdp/freerdp3_3.4.0.bb
+++ b/meta-oe/recipes-support/freerdp/freerdp3_3.4.0.bb
@@ -33,6 +33,7 @@  SRC_URI = "git://github.com/FreeRDP/FreeRDP.git;branch=master;protocol=https \
            file://CVE-2026-24683.patch \
            file://CVE-2026-29774.patch \
            file://CVE-2026-29775.patch \
+           file://CVE-2026-29776.patch \
            "
 
 S = "${WORKDIR}/git"