CVE-2014-0044: The opus_packet_get_samples_per_frame function in client in Mumble 1.2.4 and the 1.2.3 pre-release snapshots a

Routine

MEDIUM 5.0DOWNGRADE

CVE-2014-0044 is a medium-severity flaw (CVSS 5.0) affecting mumble. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The opus_packet_get_samples_per_frame function in client in Mumble 1.2.4 and the 1.2.3 pre-release snapshots allows remote attackers to cause a denial of service (crash) via a crafted length prefix value, which triggers a NULL pointer dereference or a heap-based buffer over-read (aka "out-of-bounds array access").

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Weakness	CWE-119
Published	2014-02-08
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: light speed gaming

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

Am I affected?

Timeline

2014-02-08 00:55 UTCPublished CVE record published
2026-06-17 00:02 UTCUpdated Record last modified

light speed gaming mumble DOWNGRADE

Affected: 1.2.3 rc1 · 1.2.3 rc2 · 1.2.3 rc3 · 1.2.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2.3 (Debian / Ubuntu)

apt-cache madison mumble sudo apt install mumble=<VERSION_BEFORE_1.2.3> sudo apt-mark hold mumble

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

dnf --showduplicates list mumble sudo dnf downgrade mumble-<VERSION_BEFORE_1.2.3> sudo dnf versionlock add mumble

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-2014-0044?

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

Is CVE-2014-0044 being exploited?

CVE-2014-0044 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-2014-0044 affect?

CVE-2014-0044 affects mumble. Severity is medium (CVSS 5.0). The opus_packet_get_samples_per_frame function in client in Mumble 1.2.4 and the 1.2.3 pre-release snapshots allows remote attackers to cause a denial of service (crash) via a crafted length prefix value, which triggers a NULL pointer deref

How urgent is CVE-2014-0044?

Priority 39/100. No elevated risk signals yet.

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References

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