CVE-2026-68580: FreeRDP before 3.29.0 contains integer overflow vulnerabilities in the audio input redirection channel (audin)

Q: How do I fix CVE-2026-68580?

freerdp: upgrade to 3.29.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-68580 being exploited?

CVE-2026-68580 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-68580 affect?

CVE-2026-68580 affects freerdp. Severity is high (CVSS 7.5). FreeRDP before 3.29.0 contains integer overflow vulnerabilities in the audio input redirection channel (audin) across ALSA, sndio, WinMM, and OpenSL ES backends that fail to validate the FramesPerPacket parameter from RDP servers. Attackers

Q: How urgent is CVE-2026-68580?

Priority 37/100. High severity; Public exploit reference

Routine

HIGH 7.5UPGRADE

CVE-2026-68580 is a high-severity flaw (CVSS 7.5) affecting freerdp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FreeRDP before 3.29.0 contains integer overflow vulnerabilities in the audio input redirection channel (audin) across ALSA, sndio, WinMM, and OpenSL ES backends that fail to validate the FramesPerPacket parameter from RDP servers. Attackers can supply a malicious FramesPerPacket value causing allocation size wraparound, resulting in heap-based buffer overflow on ALSA or denial of service on all platforms.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-122
Published	2026-08-02
Last modified	2026-09-29

Publisher (CNA): VulnCheck · Vendor: freerdp

Last updated 2026-09-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-02 13:16 UTCPublished CVE record published
2026-09-29 16:16 UTCUpdated Record last modified

freerdp freerdp UPGRADE

Affected: < 3.29.0

Fixed in: 3.29.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy freerdp || rpm -q freerdp || freerdp --version

2. UPGRADE to 3.29.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade freerdp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade freerdp

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-68580?

freerdp: upgrade to 3.29.0. Exact commands for each OS are on this page.

Is CVE-2026-68580 being exploited?

CVE-2026-68580 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-68580 affect?

CVE-2026-68580 affects freerdp. Severity is high (CVSS 7.5). FreeRDP before 3.29.0 contains integer overflow vulnerabilities in the audio input redirection channel (audin) across ALSA, sndio, WinMM, and OpenSL ES backends that fail to validate the FramesPerPacket parameter from RDP servers. Attackers

How urgent is CVE-2026-68580?

Priority 37/100. High severity; Public exploit reference

Software pages

WinRM and RDP vulnerabilities

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References

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