USN-8584-1: GStreamer Good Plugins vulnerabilities

unknownCVE-2026-39043 CVE-2026-39044 CVE-2026-53705

It was discovered that GStreamer Good Plugins incorrectly handled certain Matroska files. An attacker could possibly use this issue to cause GStreamer Good Plugins to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-39043) It was discovered that GStreamer Good Plugins incorrectly handled certain WAV files. An attacker could possibly use this issue to cause GStreamer Good Plugins to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-39044) It was discovered that GStreamer Good Plugins incorrectly handled certain WavPack audio files. An attacker could use this issue to cause GStreamer Good Plugins to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-53705)

CSIRTS triage

vendor: GStreamer product: GStreamer Good Plugins Denial of serviceOther

What: GStreamer Good Plugins incorrectly handle certain file types, potentially leading to crashes or arbitrary code execution.
Who is affected: Users of GStreamer Good Plugins on Ubuntu 22.04 LTS and 24.04 LTS.
Urgency: Remediation is urgent due to the potential for denial of service and arbitrary code execution.
Action: Update to the latest version of GStreamer Good Plugins.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch GStreamer Good Plugins

Get an email when a new GStreamer Good Plugins advisory drops — max one per day, one-click unsubscribe.

Details

Source: Ubuntu Security Notices (INTL · vendor-psirt · site)
Severity: unknown
Published: 2026-07-22
Exploitation: Not in CISA KEV at last sync

Original advisory: https://ubuntu.com/security/notices/USN-8584-1

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-537050.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-39043	coverage & exploitation status	NVD · CVE.org
CVE-2026-39044	coverage & exploitation status	NVD · CVE.org
CVE-2026-53705	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

medium[UPDATE] [medium] GStreamer: Multiple vulnerabilitiescert-bund
high[UPDATE] [high] GStreamer: Multiple vulnerabilitiescert-bund
unknownDSA-6359-1 gst-plugins-good1.0 - security updatedebian