libde265 Buffer Overflow and OOB Write
2026-03-20
A malformed H.265 PPS (Picture Parameter Set) NAL unit in libde265 prior to version 1.0.17 triggers a segmentation fault in the pic_parameter_set::set_derived_values() function, causing denial of service. Any application using affected versions of libde265 to decode H.265 video streams is vulnerable to crash via specially crafted video files or streams. The vulnerability has been patched in version 1.0.17, and a GitHub security advisory documents the issue.
A remote code execution vulnerability in libde265 (CVSS 5.5). Remediation should follow standard vulnerability management procedures.