CVE-2024-31185: Unchecked Return Value to NULL Pointer Dereference vulnerability in Open Networking Foundation (ONF) libfluid

Routine

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2024-31185 is a medium-severity flaw (CVSS 5.3) affecting libfluid msg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unchecked Return Value to NULL Pointer Dereference vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module). This vulnerability is associated with program routine fluid_msg::of13::MeterBandList::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	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-690, CWE-476
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-2024-31185?

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

Is CVE-2024-31185 being exploited?

CVE-2024-31185 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-2024-31185 affect?

CVE-2024-31185 affects libfluid msg. Severity is medium (CVSS 5.3). Unchecked Return Value to NULL Pointer Dereference vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module). This vulnerability is associated with program routine fluid_msg::of13::MeterBandList::unpack. This issue a

How urgent is CVE-2024-31185?

Priority 33/100. 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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