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Vulnerabilities / CVE-2023-40181

critical

CVE-2023-40181

freerdp: integer-Underflow leading to Out-Of-Bound Read in zgfx_decompress_segment

Published Modified CWE 125, 191
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Red Hat7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Description

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Integer-Underflow leading to Out-Of-Bound Read in the `zgfx_decompress_segment` function. In the context of `CopyMemory`, it's possible to read data beyond the transmitted packet range and likely cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

Affected packages and fixed versions

SourcePackageFixed in
alma 9freerdp, freerdp-devel, freerdp-libs and 2 more2:2.11.2-1.el9
amazon linux 2freerdp, freerdp-debuginfo, freerdp-devel and 3 more2:2.11.1-1.amzn2.0.1
debian 10freerdp22.3.0+dfsg1-2+deb10u3
debian 11freerdp22.3.0+dfsg1-2+deb11u2
debian 12freerdp22.11.7+dfsg1-6~deb12u1
echofreerdp22.11.7+dfsg1-6~deb12u1
Oracle Linux 9freerdp, freerdp-devel, freerdp-libs and 2 more2:2.11.2-1.el9
rapidfort debian 12freerdp20:2.11.7+dfsg1-6~deb12u1
rapidfort debian 13freerdp20:2.11.7+dfsg1-6~deb12u1
rapidfort Oracle Linux 9freerdp, freerdp-libs, libwinpr2:2.11.2-1.el9
Red Hatfreerdp, freerdp-devel, freerdp-libs and 3 moreno fix listed
ubuntu 18.04-ESMfreerdp22.2.0+dfsg1-0ubuntu0.18.04.4+esm1
Show all 37 entries from 17 sources
SourcePackageFixed in
alma 9freerdp2:2.11.2-1.el9
alma 9freerdp-devel2:2.11.2-1.el9
alma 9freerdp-libs2:2.11.2-1.el9
alma 9libwinpr2:2.11.2-1.el9
alma 9libwinpr-devel2:2.11.2-1.el9
amazon linux 2freerdp2:2.11.1-1.amzn2.0.1
amazon linux 2freerdp-debuginfo2:2.11.1-1.amzn2.0.1
amazon linux 2freerdp-devel2:2.11.1-1.amzn2.0.1
amazon linux 2freerdp-libs2:2.11.1-1.amzn2.0.1
amazon linux 2libwinpr2:2.11.1-1.amzn2.0.1
amazon linux 2libwinpr-devel2:2.11.1-1.amzn2.0.1
debian 10freerdp22.3.0+dfsg1-2+deb10u3
debian 11freerdp22.3.0+dfsg1-2+deb11u2
debian 12freerdp22.11.7+dfsg1-6~deb12u1
echofreerdp22.11.7+dfsg1-6~deb12u1
Oracle Linux 9freerdp2:2.11.2-1.el9
Oracle Linux 9freerdp-devel2:2.11.2-1.el9
Oracle Linux 9freerdp-libs2:2.11.2-1.el9
Oracle Linux 9libwinpr2:2.11.2-1.el9
Oracle Linux 9libwinpr-devel2:2.11.2-1.el9
rapidfort debian 12freerdp20:2.11.7+dfsg1-6~deb12u1
rapidfort debian 13freerdp20:2.11.7+dfsg1-6~deb12u1
rapidfort Oracle Linux 9freerdp2:2.11.2-1.el9
rapidfort Oracle Linux 9freerdp-libs2:2.11.2-1.el9
rapidfort Oracle Linux 9libwinpr2:2.11.2-1.el9
Red Hatfreerdpno fix listed
Red Hatfreerdp-develno fix listed
Red Hatfreerdp-libsno fix listed
Red Hatfreerdp-pluginsno fix listed
Red Hatlibwinprno fix listed
Red Hatlibwinpr-develno fix listed
ubuntu 18.04-ESMfreerdp22.2.0+dfsg1-0ubuntu0.18.04.4+esm1
ubuntu 20.04freerdp22.2.0+dfsg1-0ubuntu0.20.04.5
ubuntu 20.04-ESMfreerdp22.2.0+dfsg1-0ubuntu0.20.04.5
ubuntu 22.04freerdp22.6.1+dfsg1-3ubuntu2.4
ubuntu 23.04freerdp22.10.0+dfsg1-1ubuntu0.2
ubuntu 23.10freerdp22.10.0+dfsg1-1.1ubuntu1

References

All 29 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.