ALAS2023-2026-2142: Security update for 11 packages

ALAS2023-2026-2142, released September 14, 2026, fixes 19 CVEs across 11 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0067

52nd percentile

Priority of the 19 CVEs

Patch now 0
                                Urgent 0
                                High 13
                                Routine 6

Fixed package versions

Product	Release	Fixed in
freerdp	amzn 2023	2:3.31.0-1.amzn2023
freerdp-debuginfo	amzn 2023	2:3.31.0-1.amzn2023
freerdp-debugsource	amzn 2023	2:3.31.0-1.amzn2023
freerdp-devel	amzn 2023	2:3.31.0-1.amzn2023
freerdp-libs	amzn 2023	2:3.31.0-1.amzn2023
freerdp-libs-debuginfo	amzn 2023	2:3.31.0-1.amzn2023
freerdp-server	amzn 2023	2:3.31.0-1.amzn2023
freerdp-server-debuginfo	amzn 2023	2:3.31.0-1.amzn2023
libwinpr	amzn 2023	2:3.31.0-1.amzn2023
libwinpr-debuginfo	amzn 2023	2:3.31.0-1.amzn2023
libwinpr-devel	amzn 2023	2:3.31.0-1.amzn2023

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-91963	freerdp: CVE-2026-91959, , CVE-2026-91964)	8.8	0.0067	None reported
High	CVE-2026-63633	freerdp: FreeRDP is a free implementation of the Remote Desktop Protocol	9.8	0.0062	None reported
High	CVE-2026-91964	freerdp: CVE-2026-91959, CVE-2026-91963	8.8	0.0060	None reported
High	CVE-2026-63652	freerdp3: FreeRDP is a free implementation of the Remote Desktop Protocol	8.8	0.0058	None reported
High	CVE-2026-91949	freerdp3: FreeRDP server versions before 3.31.0 contain a protocol negotiation bypass vulnerability that allows unauthenticated...	9.3	0.0058	None reported
High	CVE-2026-91946	freerdp3: FreeRDP versions before 3.31.0 contain an information disclosure vulnerability in the RDPGFX server's ResetGraphics P...	8.8	0.0053	None reported
High	CVE-2026-91953	freerdp: FreeRDP: FreeRDP: Heap buffer overflow via oversized LB_LOAD_BALANCE_INFO routing token can lead to heap corruption.	8.8	0.0047	None reported
High	CVE-2026-91950	freerdp3: FreeRDP before 3.31.0 contains an out-of-bounds read vulnerability in the rdpdr_dump_packet function due to 32-bit un...	8.8	0.0040	None reported
High	CVE-2026-91956	freerdp: Backport several CVE fixes (CVE-2026-91953, CVE-2026-91954	8.8	0.0039	None reported
High	CVE-2026-91959	freerdp: CVE-2026-91963, CVE-2026-91964)	8.8	0.0039	None reported
High	CVE-2026-85089	freerdp3: FreeRDP versions 3.0.0 through 3.30.0 (before 3.31.0) transmit uninitialized heap memory in Save Session Info PDU res...	8.8	0.0038	None reported
High	CVE-2026-91947	freerdp3: FreeRDP server versions before 3.31.0 contain a use-after-free vulnerability in the DRDYNVC parser that dereferences...	8.8	0.0037	None reported
High	CVE-2026-69159	freerdp3: FreeRDP is a free implementation of the Remote Desktop Protocol	8.8	n/a	None reported
Routine	CVE-2026-91945	freerdp3: FreeRDP versions before 3.31.0 contain an out-of-bounds read vulnerability in smartcard response decoders that fail t...	6.5	0.0058	None reported
Routine	CVE-2026-63117	freerdp3: FreeRDP is a free implementation of the Remote Desktop Protocol	6.5	0.0055	None reported
Routine	CVE-2026-91961	freerdp3: FreeRDP before 3.31.0 contains a denial-of-service vulnerability in the URBDRC control-transfer request path that fai...	n/a	0.0037	None reported
Routine	CVE-2026-91957	freerdp3: FreeRDP before 3.31.0 contains a use-after-free vulnerability in the smartcard RDPDR device handler when worker threa...	n/a	0.0037	None reported
Routine	CVE-2026-85090	freerdp3: FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the general_ChromaV1ToYUV444 function durin...	n/a	0.0028	None reported
Routine	CVE-2026-91958	freerdp3: FreeRDP versions before 3.31.0 fail to validate MonitorIds array values when parsing RDP connection files, allowing u...	n/a	0.0020	None reported

Also fixes CVE-2026-91963

freerdp-proxy 3.31.0+dfsg-0ubuntu0.26.04.1
freerdp-proxy on Ubuntu 26.04.1 LTS (resolute)
freerdp-proxy-modules 3.31.0+dfsg-0ubuntu0.26.04.1
freerdp-proxy-modules on Ubuntu 26.04.1 LTS (resolute)
freerdp-sdl 3.31.0+dfsg-0ubuntu0.26.04.1
freerdp-sdl on Ubuntu 26.04.1 LTS (resolute)
freerdp-shadow-x11 3.31.0+dfsg-0ubuntu0.26.04.1
freerdp-shadow-x11 on Ubuntu 26.04.1 LTS (resolute)
freerdp-wayland 3.31.0+dfsg-0ubuntu0.26.04.1
freerdp-wayland on Ubuntu 26.04.1 LTS (resolute)
freerdp-x11 3.31.0+dfsg-0ubuntu0.26.04.1
freerdp-x11 on Ubuntu 26.04.1 LTS (resolute)
freerdp3-proxy 3.31.0+dfsg-0ubuntu0.26.04.1
freerdp3-proxy on Ubuntu 26.04.1 LTS (resolute)
freerdp3-proxy-modules 3.31.0+dfsg-0ubuntu0.26.04.1
freerdp3-proxy-modules on Ubuntu 26.04.1 LTS (resolute)

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-2142.html

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