CVE-2026-33164

HIGH

NULL Pointer Dereference in libde265

Title source: cna
STIX 2.1

Description

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a malformed H.265 PPS NAL unit causes a segmentation fault in pic_parameter_set::set_derived_values(). This issue has been patched in version 1.0.17.

Scores

CVSS v3 7.5
EPSS 0.0009
EPSS Percentile 25.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-122 CWE-476
Status published
Products (2)
struktur/libde265 < 1.0.17
strukturag/libde265 < 1.0.17
Published Mar 20, 2026
Tracked Since Mar 21, 2026