CVE-2026-85445: MOOS-IvP through 24.8.1 contains a denial of service vulnerability in the Demuxer::addMuxPacket() function tha

Q: How do I fix CVE-2026-85445?

moos-ivp: upgrade to 24.8.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-85445 being exploited?

CVE-2026-85445 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-2026-85445 affect?

CVE-2026-85445 affects moos-ivp. Severity is high (CVSS 7.5). MOOS-IvP through 24.8.1 contains a denial of service vulnerability in the Demuxer::addMuxPacket() function that trusts the packet count declared in mux headers without validation. Attackers can declare arbitrarily large packet counts to tri

Q: How urgent is CVE-2026-85445?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2026-85445 is a high-severity flaw (CVSS 7.5) affecting moos-ivp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MOOS-IvP through 24.8.1 contains a denial of service vulnerability in the Demuxer::addMuxPacket() function that trusts the packet count declared in mux headers without validation. Attackers can declare arbitrarily large packet counts to trigger unbounded memory allocation, exhausting system resources and causing service unavailability.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-789
Published	2026-09-03
Last modified	2026-10-14

Publisher (CNA): VulnCheck · Vendor: mit

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-03 23:17 UTCPublished CVE record published
2026-10-14 23:31 UTCUpdated Record last modified

mit moos-ivp UPGRADE

Affected: < 24.8.1

Fixed in: 24.8.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy moos-ivp || rpm -q moos-ivp || moos-ivp --version

2. UPGRADE to 24.8.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade moos-ivp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade moos-ivp

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-2026-85445?

moos-ivp: upgrade to 24.8.1. Exact commands for each OS are on this page.

Is CVE-2026-85445 being exploited?

CVE-2026-85445 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-2026-85445 affect?

CVE-2026-85445 affects moos-ivp. Severity is high (CVSS 7.5). MOOS-IvP through 24.8.1 contains a denial of service vulnerability in the Demuxer::addMuxPacket() function that trusts the packet count declared in mux headers without validation. Attackers can declare arbitrarily large packet counts to tri

How urgent is CVE-2026-85445?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

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References

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