CVE-2020-15710: Potential double free in Bluez 5 module of PulseAudio could allow a local attacker to leak memory or crash the

Routine

MEDIUM 5.3MITIGATE

CVE-2020-15710 is a medium-severity flaw (CVSS 5.3) affecting pulseaudio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Potential double free in Bluez 5 module of PulseAudio could allow a local attacker to leak memory or crash the program. The modargs variable may be freed twice in the fail condition in src/modules/bluetooth/module-bluez5-device.c and src/modules/bluetooth/module-bluez5-device.c. Fixed in 1:8.0-0ubuntu3.14.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-415
Published	2020-11-19
Last modified	2026-06-17

Publisher (CNA): Canonical Ltd. · Vendor: pulseaudio project

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

Am I affected?

Timeline

2020-11-19 03:15 UTCPublished CVE record published
2026-06-17 02:57 UTCUpdated Record last modified

pulseaudio project pulseaudio MITIGATE

Affected: 1\ 8.0-0ubuntu1 · 1\ 8.0-0ubuntu2 · 1\ 8.0-0ubuntu3 · 1\ 8.0-0ubuntu3.1 · 1\ 8.0-0ubuntu3.2 · 1\ 8.0-0ubuntu3.3 · 1\ 8.0-0ubuntu3.4 · 1\ 8.0-0ubuntu3.5

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2020-15710?

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

Is CVE-2020-15710 being exploited?

CVE-2020-15710 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-2020-15710 affect?

CVE-2020-15710 affects pulseaudio. Severity is medium (CVSS 5.3). Potential double free in Bluez 5 module of PulseAudio could allow a local attacker to leak memory or crash the program. The modargs variable may be freed twice in the fail condition in src/modules/bluetooth/module-bluez5-device.c and src/mo

How urgent is CVE-2020-15710?

Priority 24/100. No elevated risk signals yet.

Software pages

Bluetooth vulnerabilities

Related CVEs

CVE-2024-11586 MEDIUM 4.0 MITIGATE Ubuntu's implementation of pulseaudio can be crashed by a malicious program if a bluetooth headset is connecte
CVE-2020-11931 LOW 3.3 UPGRADE MITIGATE An Ubuntu-specific modification to Pulseaudio to provide security mediation for Snap-packaged applications was

References

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