CVE-2023-41000Public exploit

Process crash via stale BIFS command buffers

Published Sep 11, 2023 · Updated Sep 26, 2024

Use-after-free in GPAC 2.2.1 and earlier allows local users to crash MP4Box by opening a crafted BIFS media file. The BIFS BM_ParseCommand error path left newly added command buffers registered instead of unregistering and freeing them, allowing later access to stale objects in gf_bifs_flush_command_list. Exploitation requires a user to process the file with MP4Box; the documented consequence is a process crash without reported data exposure or modification.

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

What happened

Use-after-free in GPAC 2.2.1 and earlier allows local users to crash MP4Box by opening a crafted BIFS media file. The BIFS BM_ParseCommand error path left newly added command buffers registered instead of unregistering and freeing them, allowing later access to stale objects in gf_bifs_flush_command_list. Exploitation requires a user to process the file with MP4Box; the documented consequence is a process crash without reported data exposure or modification.

The record

CVE
CVE-2023-41000
Published
Sep 11, 2023
Updated
Sep 26, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-416, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 26, 2024Record 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

5.5NIST NVDCVSS: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-416Use After Free
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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