CVE-2026-33164

| EUVD-2026-13810 HIGH
2026-03-20 GitHub_M
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Mar 20, 2026 - 21:00 euvd
EUVD-2026-13810
Analysis Generated
Mar 20, 2026 - 21:00 vuln.today
CVE Published
Mar 20, 2026 - 20:33 nvd
HIGH 7.5

Tags

Buffer Overflow Heap Overflow

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.

Analysis

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. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

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Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +38
POC: 0

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CVE-2026-33164 vulnerability details – vuln.today
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