---
title: "CVE-2026-88373: libde265 - Denial of Service"
description: "libde265 contains a null pointer dereference caused by zero-length NAL unit handling in NAL parsing, letting attackers cause denial of service via process termination, exploit requires crafted zero-length NAL unit."
url: https://panop.io/threat-heartbeat/CVE-2026-88373/
---

# CVE-2026-88373 libde265 - Denial of Service

libde265 contains a null pointer dereference caused by zero-length NAL unit handling in NAL parsing, letting attackers cause denial of service via process termination, exploit requires crafted zero-length NAL unit.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.34% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-88373)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Published

24 September 2026

Updated

15 October 2026

Weakness

[CWE-476](https://cwe.mitre.org/data/definitions/476.html)

## Vendor fix

Update to the latest version containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-88373](https://nvd.nist.gov/vuln/detail/CVE-2026-88373)
- [https://github.com/strukturag/libde265/commit/f8d324914e43d92af23614f22959cf9eee7bf9ea](https://github.com/strukturag/libde265/commit/f8d324914e43d92af23614f22959cf9eee7bf9ea)
- [https://github.com/strukturag/libde265/issues/534](https://github.com/strukturag/libde265/issues/534)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)