The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:11332 advisory.

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license.
    The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

    Security Fix(es):

    * FreeRDP: FreeRDP: Heap buffer overflow allows arbitrary code execution via crafted pixel data     (CVE-2026-33984)

    * FreeRDP: FreeRDP: Denial of Service via specially crafted Remote Desktop Protocol messages     (CVE-2026-33983)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:11333 advisory.

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license.
    The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

    Security Fix(es):

    * FreeRDP: FreeRDP: Heap buffer overflow allows arbitrary code execution via crafted pixel data     (CVE-2026-33984)

    * FreeRDP: FreeRDP: Denial of Service via specially crafted Remote Desktop Protocol messages     (CVE-2026-33983)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:11651 advisory.

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license.
    The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

    Security Fix(es):

    * FreeRDP: FreeRDP: Heap buffer overflow allows arbitrary code execution via crafted pixel data     (CVE-2026-33984)

    * FreeRDP: FreeRDP: Denial of Service via specially crafted Remote Desktop Protocol messages     (CVE-2026-33983)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3562-1 advisory.

    - CVE-2026-27951: 32-bit system denial of service via endless blocking loop in `Stream_EnsureCapacity`     (bsc#1258939).
    - CVE-2026-33952: client denial of service via unvalidated authentication length field (bsc#1261196).
    - CVE-2026-33977: client denial of service via malformed IMA ADPCM audio data (bsc#1261198).
    - CVE-2026-33982: heap buffer overread in `winpr_aligned_offset_recalloc()` can lead to undefined behavior       (bsc#1261222).
    - CVE-2026-33983: improper error handling can lead to use of incorrect shift exponent, undefined behavior     and an 80       billion iteration loop (bsc#1261200).
    - CVE-2026-33984: heap buffer overflow allows arbitrary code execution via crafted pixel data     (bsc#1261211).
    - CVE-2026-33985: heap out-of-bounds read can leak sensitive data when pixel data is rendered to screen     (bsc#1261217).
    - CVE-2026-33986: heap out-of-bounds write due to H.264 YUV buffer dimension desync (bsc#1261223).
    - CVE-2026-33987: heap out-of-bounds write due to persistent cache `bmpSize` desync (bsc#1261226).
    - CVE-2026-33995: double-free in `kerberos_AcceptSecurityContext()` and     `kerberos_InitializeSecurityContextA()` can       lead to crash during NLA connection teardown with a failed authentication attempt (bsc#1261227).
    - CVE-2026-40033: heap buffer overflow in `gdi_CacheToSurface` allows attackers to cause a denial of     service or achieve       remote code execution (bsc#1266317).
    - CVE-2026-40254: off-by-one error in `contains_dotdot()` allows for drive channel path traversal     (bsc#1262743).
    - CVE-2026-44420: heap buffer overwrite can be triggered in server-side clipboard channel when a malicious     client sends       a `CB_CLIP_CAPS` PDU with a too-small `capabilitySetLength` (bsc#1267008).
    - CVE-2026-44421: improper validation in `gdi_CacheToSurface` can lead to a heap buffer overwrite client     when an RDP       server sends crafted RDPGFX PDUs (bsc#1267009).
    - CVE-2026-44422: improper memory management can lead to heap use-after-free/double-free in a client's     RDPEAR       authentication-redirection path (bsc#1267010).
    - CVE-2026-45700: data check bypass when decoding RLE planar data can lead to an out-of-bounds heap write       (bsc#1267011).
    - CVE-2026-56297: improper synchronization of `channel_callback` access can lead to use-after-free in       `dvcman_channel_close` and `dvcman_call_on_receive` triggered by a malicious RDP server (bsc#1271071).
    - CVE-2026-57156: integer overflow in `update_read_delta_points` allows malicious RDP peers to cause a     heap buffer       overflow (bsc#1271303).
    - CVE-2026-57157: 2-byte heap out-of-bounds read via attacker-supplied MS-RDPECAM `DeviceName` and     `VirtualChannelName`       fields (bsc#1271304).
    - CVE-2026-57158: incomplete fix for CVE-2026-23530 in `planar_decompress_plane_rle_only` allows a     malicious RDP server       to trigger a one byte buffer overflow via a truncated `RDPGFX_CMDID_WIRETOSURFACE_1` planar payload     (bsc#1271305).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
310716	RHEL 9 : freerdp (RHSA-2026:11332)	Nessus	Red Hat Local Security Checks	2026/4/28	2026/4/28	high
310776	RHEL 10 : freerdp (RHSA-2026:11333)	Nessus	Red Hat Local Security Checks	2026/4/29	2026/4/29	high
311117	RHEL 8 : freerdp (RHSA-2026:11651)	Nessus	Red Hat Local Security Checks	2026/4/30	2026/4/30	high
334787	SUSE SLED15: freerdp / freerdp-devel / freerdp-proxy / freerdp-proxy-plugins / etc (SUSE-SU-2026:3562-1)	Nessus	SuSE Local Security Checks	2026/8/12	2026/8/12	high

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