CVE-2023-37327

Description

GStreamer FLAC File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the parsing of FLAC audio files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20775.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gst-plugins-good0.10	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Ignored end of standard support
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Ignored end of standard support
gst-plugins-good1.0	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Fixed 1.22.1-1ubuntu1.2
	22.04 LTS jammy	Fixed 1.20.3-0ubuntu1.1
	20.04 LTS focal	Fixed 1.16.3-0ubuntu1.2
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Ignored end of standard support
gst-plugins-base0.10	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Ignored end of standard support
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Ignored end of standard support
gst-plugins-base1.0	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Fixed 1.22.1-1ubuntu1.1
	22.04 LTS jammy	Fixed 1.20.1-1ubuntu0.1
	20.04 LTS focal	Fixed 1.16.3-0ubuntu1.2
	18.04 LTS bionic	Fixed 1.14.5-0ubuntu1~18.04.3+esm1
	16.04 LTS xenial	Fixed 1.8.3-1ubuntu0.3+esm2
	14.04 LTS trusty	Ignored end of standard support

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro 30-day free trial

Notes

mdeslaur

Two patches are required to fix this CVE. Main patch is in the "good" package, and second patch is in the "base" package.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
gst-plugins-good1.0	Upstream: bdc8021
gst-plugins-base1.0	Upstream: 7bcd791

Severity score breakdown

Parameter	Value
Base score	7.6 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	Low
Integrity impact	Low
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

References

Related Ubuntu Security Notices (USN)

USN-6268-1
GStreamer Base Plugins vulnerabilities
2 August 2023

USN-6269-1
GStreamer Good Plugins vulnerability
2 August 2023

USN-7807-1
GStreamer Base Plugins vulnerabilities
7 October 2025