From 1d846e479bff21dde08461c5c55b7d430aae3160 Mon Sep 17 00:00:00 2001 From: Ankur Tyagi Date: Wed, 9 Sep 2026 20:31:29 +1200 Subject: [PATCH] freerdp3: patch CVE-2026-55193 Details: https://nvd.nist.gov/vuln/detail/cve-2026-55193 Signed-off-by: Ankur Tyagi Signed-off-by: Anuj Mittal --- .../freerdp/freerdp3/CVE-2026-55193.patch | 37 +++++++++++++++++++ .../freerdp/freerdp3_3.24.2.bb | 1 + 2 files changed, 38 insertions(+) create mode 100644 meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-55193.patch diff --git a/meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-55193.patch b/meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-55193.patch new file mode 100644 index 0000000000..5fbd142e49 --- /dev/null +++ b/meta-oe/recipes-support/freerdp/freerdp3/CVE-2026-55193.patch @@ -0,0 +1,37 @@ +From b0b560b3c89e46107092cc8d1abe61ae4c4e7c4d Mon Sep 17 00:00:00 2001 +From: Armin Novak +Date: Thu, 11 Jun 2026 08:31:09 +0200 +Subject: [PATCH] [core,gateway] rpc header max fragment size checks + +(cherry picked from commit a863ef1cf1cdabf9019280e5658f806e73bb50e8) + +CVE: CVE-2026-55193 +Upstream-Status: Backport [https://github.com/FreeRDP/FreeRDP/commit/a863ef1cf1cdabf9019280e5658f806e73bb50e8] + +Signed-off-by: Ankur Tyagi +--- + libfreerdp/core/gateway/rpc_bind.c | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +diff --git a/libfreerdp/core/gateway/rpc_bind.c b/libfreerdp/core/gateway/rpc_bind.c +index cc670d14f..3a055eb50 100644 +--- a/libfreerdp/core/gateway/rpc_bind.c ++++ b/libfreerdp/core/gateway/rpc_bind.c +@@ -342,6 +342,17 @@ BOOL rpc_recv_bind_ack_pdu(rdpRpc* rpc, wStream* s) + WLog_DBG(TAG, header.common.ptype == PTYPE_BIND_ACK ? "Receiving BindAck PDU" + : "Receiving AlterContextResp PDU"); + ++ const UINT16 MAX_VALID_FRAG = 0x0FF8; ++ if ((header.bind_ack.max_xmit_frag > MAX_VALID_FRAG) || ++ (header.bind_ack.max_recv_frag > MAX_VALID_FRAG)) ++ { ++ WLog_ERR(TAG, ++ "bind_ack: invalid fragment size: max_xmit_frag=%" PRIu16 ++ ", max_recv_frag=%" PRIu16 ", maximum=%" PRIu16, ++ header.bind_ack.max_xmit_frag, header.bind_ack.max_recv_frag, MAX_VALID_FRAG); ++ goto fail; ++ } ++ + rpc->max_recv_frag = header.bind_ack.max_xmit_frag; + rpc->max_xmit_frag = header.bind_ack.max_recv_frag; + diff --git a/meta-oe/recipes-support/freerdp/freerdp3_3.24.2.bb b/meta-oe/recipes-support/freerdp/freerdp3_3.24.2.bb index 978f950d8d..4248225379 100644 --- a/meta-oe/recipes-support/freerdp/freerdp3_3.24.2.bb +++ b/meta-oe/recipes-support/freerdp/freerdp3_3.24.2.bb @@ -15,6 +15,7 @@ SRC_URI = "git://github.com/FreeRDP/FreeRDP.git;nobranch=1;protocol=https;tag=${ file://CVE-2026-40254-2.patch \ file://CVE-2026-55191.patch \ file://CVE-2026-55192.patch \ + file://CVE-2026-55193.patch \ "