freerdp/codec-planar-fix-decoder-length-checks.patch
Ondrej Holy b00b6803d4 Backport several CVE fixes
It fixes CVE-2026-23530, CVE-2026-23531, CVE-2026-23532, CVE-2026-23533,
CVE-2026-23534, CVE-2026-23883 and CVE-2026-23884.

Resolves: RHEL-142414, RHEL-142398, RHEL-142382, RHEL-142366, RHEL-142350
Resolves: RHEL-142334, RHEL-142318
2026-01-28 11:08:33 +01:00

29 lines
807 B
Diff

From 1bab198a2edd0d0e6e1627d21a433151ea190500 Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Thu, 15 Jan 2026 12:02:02 +0100
Subject: [PATCH] [codec,planar] fix decoder length checks
---
libfreerdp/codec/planar.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libfreerdp/codec/planar.c b/libfreerdp/codec/planar.c
index 1a06e36ed..94a640a55 100644
--- a/libfreerdp/codec/planar.c
+++ b/libfreerdp/codec/planar.c
@@ -727,6 +727,11 @@ BOOL freerdp_bitmap_decompress_planar(BITMAP_PLANAR_CONTEXT* WINPR_RESTRICT plan
WINPR_ASSERT(planar);
WINPR_ASSERT(prims);
+ if (planar->maxWidth < nSrcWidth)
+ return FALSE;
+ if (planar->maxHeight < nSrcHeight)
+ return FALSE;
+
if (nDstStep <= 0)
nDstStep = nDstWidth * FreeRDPGetBytesPerPixel(DstFormat);
--
2.52.0