CVE-2026-49295

HIGH EPSS 13.4%
Published Jun 19, 20261w ago · Modified Jun 23, 20261w ago
7.1 CVSS 3.1
High
Find Similar
Published Jun 19, 2026 1w ago
Last Modified Jun 23, 2026 1w ago

Description

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted H.265 bitstream can cause an out-of-bounds array write in `decoder_context::process_reference_picture_set()` (`libde265/decctx.cc:1376`). The root cause is a missing aggregate bound check on predicted short-term reference picture set entries. Individual list sizes are validated, but the combined count after predicted RPS construction can exceed the 16-entry `PocStFoll` array, writing at index 16. Version 1.0.20 patches the issue.

CVSS Details

Base Score
7.1
Exploitability
2.8
Impact
4.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Low
Availability High

Threat Intelligence

EPSS Exploit Probability
13.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

References 2

  • github.com https://github.com/strukturag/libde265/commit/691f3a3c55b3d32478c4a49895dee061a282652b
  • github.com https://github.com/strukturag/libde265/security/advisories/GHSA-g2rg-wj66-w594

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.