SB2026030940 - Multiple vulnerabilities in GStreamer
Published: March 9, 2026 Updated: August 6, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 12 vulnerabilities.
1) Out-of-bounds write (CVE-ID: CVE-2026-2923)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within the handling of coordinates. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.
2) Out-of-bounds write (CVE-ID: CVE-2026-3086)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input within the processing of APS units. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.
3) Integer overflow (CVE-ID: CVE-2026-3084)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within the parsing of picture partitions. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Integer overflow (CVE-ID: CVE-2026-2921)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within the handling of palette data in AVI files. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
5) Heap-based buffer overflow (CVE-ID: CVE-2026-3085)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the processing of X-QDM RTP payloads. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
6) Out-of-bounds write (CVE-ID: CVE-2026-3083)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within the processing of X-QDM RTP payload elements. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.
7) Out-of-bounds write (CVE-ID: CVE-2026-2922)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within the processing of video packets. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.
8) Heap-based buffer overflow (CVE-ID: CVE-2026-2920)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the processing of stream headers within ASF files. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
9) Heap-based buffer overflow (CVE-ID: CVE-2026-3082)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the processing of Huffman tables. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
10) Stack-based buffer overflow (CVE-ID: CVE-2026-3081)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the parsing of decoding units. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
11) Out-of-bounds read (CVE-ID: CVE-2026-46471)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to disclose sensitive information or cause a denial of service.
The vulnerability exists due to out-of-bounds read in MP4 demuxer when handling specially crafted PlayReady DRM files. A remote attacker can supply a specially crafted file to disclose sensitive information or cause a denial of service.
User interaction is required to process a crafted media file.
12) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the H.265 video parser when parsing specially crafted input files. A remote attacker can supply a malformed input file to cause a denial of service.
The crash can occur through memory exhaustion.
Remediation
Install update from vendor's website.
References
- https://www.zerodayinitiative.com/advisories/ZDI-26-161/
- https://gstreamer.freedesktop.org/security/sa-2026-0007.html
- https://www.zerodayinitiative.com/advisories/ZDI-26-170/
- https://gstreamer.freedesktop.org/security/sa-2026-0009.html
- https://www.zerodayinitiative.com/advisories/ZDI-26-169/
- https://gstreamer.freedesktop.org/security/sa-2026-0011.html
- https://www.zerodayinitiative.com/advisories/ZDI-26-168/
- https://gstreamer.freedesktop.org/security/sa-2026-0004.html
- https://www.zerodayinitiative.com/advisories/ZDI-26-167/
- https://gstreamer.freedesktop.org/security/sa-2026-0008.html
- https://www.zerodayinitiative.com/advisories/ZDI-26-166/
- https://www.zerodayinitiative.com/advisories/ZDI-26-165/
- https://gstreamer.freedesktop.org/security/sa-2026-0005.html
- https://www.zerodayinitiative.com/advisories/ZDI-26-164/
- https://gstreamer.freedesktop.org/security/sa-2026-0006.html
- https://www.zerodayinitiative.com/advisories/ZDI-26-163/
- https://gstreamer.freedesktop.org/security/sa-2026-0003.html
- https://www.zerodayinitiative.com/advisories/ZDI-26-162/
- https://gstreamer.freedesktop.org/security/sa-2026-0010.html
- https://gstreamer.freedesktop.org/security/sa-2026-0002.html
- https://gstreamer.freedesktop.org/security/sa-2026-0012.html
- https://gstreamer.freedesktop.org