CVE-2026-53701

An out-of-bounds write vulnerability was found in GStreamer's H.266/VVC PPS picture partition parser in gst-plugins-bad. In the multi-slice-in-tile processing of gst_h266_parser_parse_picture_partition() (gsth266parser.c), the loop iterates without checking that the slice index stays within bounds, writing past three fixed-size arrays (slice_height_in_ctus, slice_top_left_ctu_x, slice_top_left_ctu_y) in the GstH266PPS structure. While the initial proof-of-concept demonstrated a 4-byte out-of-bounds write, the code permits larger writes across multiple iterations. A crafted H.266/VVC media file can trigger this vulnerability.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2026-53701
https://bugzilla.redhat.com/show_bug.cgi?id=2487611

Configurations

No configuration.

History

11 Jun 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-11 19:16

Updated : 2026-06-17 10:57

NVD link : CVE-2026-53701

Mitre link : CVE-2026-53701

CVE.ORG link : CVE-2026-53701

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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