CVE-2026-50810Public exploit

Process crash via missing segment-template guards

Published Jul 7, 2026 · Updated Jul 7, 2026

NULL pointer dereference in GPAC master HEAD allows attackers to crash MP4Box by processing a crafted Smooth Streaming manifest. smooth_parse_stream_index() processes c elements by dereferencing set->segment_template->segment_timeline->entries even when a missing Url attribute leaves segment_template unset. Processing the manifest with MP4Box -mpd is required, and successful exploitation terminates that process with SIGSEGV.

CVSS severity5.5
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL pointer dereference in GPAC master HEAD allows attackers to crash MP4Box by processing a crafted Smooth Streaming manifest. smooth_parse_stream_index() processes c elements by dereferencing set->segment_template->segment_timeline->entries even when a missing Url attribute leaves segment_template unset. Processing the manifest with MP4Box -mpd is required, and successful exploitation terminates that process with SIGSEGV.

The record

CVE
CVE-2026-50810
Published
Jul 7, 2026
Updated
Jul 7, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-476, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 7, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1204.002User Execution: Malicious File

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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