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Vulnerabilities / CVE-2026-22857

critical

CVE-2026-22857

freerdp: FreeRDP heap-use-after-free

Published Modified CWE 416
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat5.6CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Ubuntu (medium).

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap use-after-free occurs in irp_thread_func because the IRP is freed by irp->Complete() and then accessed again on the error path. This vulnerability is fixed in 3.20.1.

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.23freerdp3.22.0-r0
debian 11freerdp2no fix listed
debian 12freerdp2no fix listed
debian 13freerdp33.15.0+dfsg-2.1+deb13u1
debian 14freerdp33.20.2+dfsg-1
echofreerdp2, freerdp33.15.0+dfsg-2.1+deb13u1
rapidfort alma 10freerdp, freerdp-devel, freerdp-libs and 3 moreno fix listed
rapidfort alpine 3.20freerdp3.20.2-r0
rapidfort alpine 3.21freerdp3.20.2-r0
rapidfort alpine 3.22freerdp3.20.2-r0
rapidfort debian 12freerdp2, freerdp30:3.15.0+dfsg-2.1+deb13u1, 0:3.20.2+dfsg-1
rapidfort debian 13freerdp2, freerdp30:3.15.0+dfsg-2.1+deb13u1, 0:3.20.2+dfsg-1
Show all 52 entries from 21 sources
SourcePackageFixed in
alpine 3.23freerdp3.22.0-r0
debian 11freerdp2no fix listed
debian 12freerdp2no fix listed
debian 13freerdp33.15.0+dfsg-2.1+deb13u1
debian 14freerdp33.20.2+dfsg-1
echofreerdp2no fix listed
echofreerdp33.15.0+dfsg-2.1+deb13u1
rapidfort alma 10freerdpno fix listed
rapidfort alma 10freerdp-develno fix listed
rapidfort alma 10freerdp-libsno fix listed
rapidfort alma 10freerdp-serverno fix listed
rapidfort alma 10libwinprno fix listed
rapidfort alma 10libwinpr-develno fix listed
rapidfort alpine 3.20freerdp3.20.2-r0
rapidfort alpine 3.21freerdp3.20.2-r0
rapidfort alpine 3.22freerdp3.20.2-r0
rapidfort debian 12freerdp2no fix listed
rapidfort debian 12freerdp30:3.15.0+dfsg-2.1+deb13u1, 0:3.20.2+dfsg-1
rapidfort debian 13freerdp2no fix listed
rapidfort debian 13freerdp30:3.15.0+dfsg-2.1+deb13u1, 0:3.20.2+dfsg-1
rapidfort fedora 43freerdp2:3.20.2-1.fc43
rapidfort fedora 43freerdp-devel2:3.20.2-1.fc43
rapidfort fedora 43freerdp-libs2:3.20.2-1.fc43
rapidfort fedora 43freerdp-server2:3.20.2-1.fc43
rapidfort fedora 43libwinpr2:3.20.2-1.fc43
rapidfort fedora 43libwinpr-devel2:3.20.2-1.fc43
rapidfort Oracle Linux 10freerdpno fix listed
rapidfort Oracle Linux 10freerdp-develno fix listed
rapidfort Oracle Linux 10freerdp-libsno fix listed
rapidfort Oracle Linux 10freerdp-serverno fix listed
rapidfort Oracle Linux 10libwinprno fix listed
rapidfort Oracle Linux 10libwinpr-develno fix listed
rapidfort Red Hat 10freerdpno fix listed
rapidfort Red Hat 10freerdp-develno fix listed
rapidfort Red Hat 10freerdp-libsno fix listed
rapidfort Red Hat 10freerdp-serverno fix listed
rapidfort Red Hat 10libwinprno fix listed
rapidfort Red Hat 10libwinpr-develno fix listed
rapidfort rocky 10freerdpno fix listed
rapidfort rocky 10freerdp-develno fix listed
rapidfort rocky 10freerdp-libsno fix listed
rapidfort rocky 10freerdp-serverno fix listed
rapidfort rocky 10libwinprno fix listed
rapidfort rocky 10libwinpr-develno fix listed
Red Hatfreerdpno fix listed
Red Hatfreerdp-develno fix listed
Red Hatfreerdp-libsno fix listed
Red Hatfreerdp-pluginsno fix listed
ubuntu 24.04freerdp33.5.1+dfsg1-0ubuntu1.4
ubuntu 25.10freerdp33.16.0+dfsg-2ubuntu0.3
ubuntu 26.04freerdp33.20.2+dfsg-1
ubuntu 26.10freerdp33.20.2+dfsg-1

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.