Skip to content
OpenAdvisories
High RHSA-2026:6665 2 CVEs

Red Hat Security Advisory: freerdp security update

Published Apr 7, 2026 · Updated Jul 3, 2026

Ecosystem: Red Hat

Fixed packages 24

ReleasePackageFixed in
Red Hat · RHEL 8.6 AUS rhel_aus:8.6::appstream freerdp 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 AUS rhel_aus:8.6::appstream freerdp-debuginfo 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 AUS rhel_aus:8.6::appstream freerdp-debugsource 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 AUS rhel_aus:8.6::appstream freerdp-libs 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 AUS rhel_aus:8.6::appstream freerdp-libs-debuginfo 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 AUS rhel_aus:8.6::appstream libwinpr 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 AUS rhel_aus:8.6::appstream libwinpr-debuginfo 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 AUS rhel_aus:8.6::appstream libwinpr-devel 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 E4S rhel_e4s:8.6::appstream freerdp 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 E4S rhel_e4s:8.6::appstream freerdp-debuginfo 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 E4S rhel_e4s:8.6::appstream freerdp-debugsource 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 E4S rhel_e4s:8.6::appstream freerdp-libs 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 E4S rhel_e4s:8.6::appstream freerdp-libs-debuginfo 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 E4S rhel_e4s:8.6::appstream libwinpr 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 E4S rhel_e4s:8.6::appstream libwinpr-debuginfo 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 E4S rhel_e4s:8.6::appstream libwinpr-devel 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 TUS rhel_tus:8.6::appstream freerdp 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 TUS rhel_tus:8.6::appstream freerdp-debuginfo 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 TUS rhel_tus:8.6::appstream freerdp-debugsource 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 TUS rhel_tus:8.6::appstream freerdp-libs 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 TUS rhel_tus:8.6::appstream freerdp-libs-debuginfo 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 TUS rhel_tus:8.6::appstream libwinpr 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 TUS rhel_tus:8.6::appstream libwinpr-debuginfo 2:2.2.0-7.el8_6.3
Red Hat · RHEL 8.6 TUS rhel_tus:8.6::appstream libwinpr-devel 2:2.2.0-7.el8_6.3

Vulnerabilities 2

  • High 8.8
    CVE-2026-26955

    FreeRDP has Out-of-bounds Write

    FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a malicious RDP server can trigger a heap buffer overflow in FreeRDP clients using the GDI surface pipeline (e.g., `xfreerdp`) by sending an RDPGFX ClearCodec surface co…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine
  • High 8.8
    CVE-2026-26965

    FreeRDP has Out-of-bounds Write

    FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, in the RLE planar decode path, `planar_decompress_plane_rle()` writes into `pDstData` at `((nYDst+y) * nDstStep) + (4*nXDst) + nChannel` without verifying that `(nYDst+n…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2442959
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2443132
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_6665.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-26955
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-26955
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-26955
  • article
    https://github.com/FreeRDP/FreeRDP/commit/7d8fdce2d0ef337cb86cb37fc0c436c905e04d77
  • article
    https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mr6w-ch7c-mqqj
  • report
    https://access.redhat.com/security/cve/CVE-2026-26965
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-26965
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-26965
  • article
    https://github.com/FreeRDP/FreeRDP/commit/a0be5cb87d760bb1c803ad1bb835aa1e73e62abc
  • article
    https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5vgf-mw4f-r33h