CVE-2024-31191: Out-of-bounds Read vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module)

Routine

MEDIUM 6.5REMOTEDOWNGRADE

CVE-2024-31191 is a medium-severity flaw (CVSS 6.5) affecting libfluid msg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Out-of-bounds Read vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module). This vulnerability is associated with program routine fluid_msg::of13::MultipartReplyMeter::unpack. This issue affects libfluid: 0.1.0.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-125
Published	2024-09-18
Last modified	2026-06-17

Publisher (CNA): Nozomi Networks Inc. · Vendor: opennetworking

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-09-18 14:15 UTCPublished CVE record published
2026-06-17 07:27 UTCUpdated Record last modified

opennetworking libfluid msg DOWNGRADE

Affected: 0.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.0

1. Check installed version

apt-cache policy libfluid-msg || rpm -q libfluid-msg || libfluid-msg --version

2. No fixed release: DOWNGRADE to a release before 0.1.0 (Debian / Ubuntu)

apt-cache madison libfluid-msg sudo apt install libfluid-msg=<VERSION_BEFORE_0.1.0> sudo apt-mark hold libfluid-msg

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list libfluid-msg sudo dnf downgrade libfluid-msg-<VERSION_BEFORE_0.1.0> sudo dnf versionlock add libfluid-msg

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-31191?

libfluid msg: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-31191 being exploited?

CVE-2024-31191 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-2024-31191 affect?

CVE-2024-31191 affects libfluid msg. Severity is medium (CVSS 6.5). Out-of-bounds Read vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module). This vulnerability is associated with program routine fluid_msg::of13::MultipartReplyMeter::unpack. This issue affects libfluid: 0.1.0.

How urgent is CVE-2024-31191?

Priority 36/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-31198 MEDIUM 5.3 DOWNGRADE Out-of-bounds Read vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module)
CVE-2024-31197 MEDIUM 5.3 DOWNGRADE Improper Null Termination vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module)
CVE-2024-31196 MEDIUM 5.3 DOWNGRADE Unchecked Return Value to NULL Pointer Dereference vulnerability in Open Networking Foundation (ONF) libfluid
CVE-2024-31195 MEDIUM 6.5 DOWNGRADE Out-of-bounds Read vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module)
CVE-2024-31194 MEDIUM 6.5 DOWNGRADE Out-of-bounds Read vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module)

References

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