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OpenAdvisories
Medium RHSA-2021:4620 2 CVEs

Red Hat Security Advisory: freerdp security update

Published Sep 16, 2024 · Updated Jun 26, 2026

Ecosystem: Red Hat

Fixed packages 13

ReleasePackageFixed in
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::appstream freerdp 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::appstream freerdp-debuginfo 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::appstream freerdp-debugsource 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::appstream freerdp-libs 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::appstream freerdp-libs-debuginfo 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::appstream libwinpr 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::appstream libwinpr-debuginfo 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::appstream libwinpr-devel 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::crb freerdp-debuginfo 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::crb freerdp-debugsource 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::crb freerdp-devel 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::crb freerdp-libs-debuginfo 2:2.0.0-46.rc4.el8_1.5
Red Hat · RHEL 8.1 EUS rhel_eus:8.1::crb libwinpr-debuginfo 2:2.0.0-46.rc4.el8_1.5

Vulnerabilities 2

  • Medium 5.8
    CVE-2021-41159

    Improper client input validation for FreeRDP gateway connections allows to overwrite memory

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. All FreeRDP clients prior to version 2.4.1 using gateway connections (`/gt:rpc`) fail to validate input data. A malicious gateway might allow client memo…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine
  • Medium 5.3
    CVE-2021-41160 Public exploit

    Improper region checks in FreeRDP allow out of bound write to memory

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions a malicious server might trigger out of bound writes in a connected client. Connections using GDI or SurfaceCommands to send graphic…

    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=2016403
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2016412
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_4620.json
  • report
    https://access.redhat.com/security/cve/CVE-2021-41159
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-41159
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-41159
  • report
    https://access.redhat.com/security/cve/CVE-2021-41160
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-41160
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-41160