CVE-2022-45343Public exploit

Crash via stale quantization parameter access

Published Nov 29, 2022 · Updated May 2, 2025

Heap use-after-free in GPAC 2.1-DEV-rev478-g696e6f868-master allows attackers to crash MP4Box by opening a crafted BIFS file. During MPEG-4 BIFS scene decoding, Q_IsTypeOn reads a QuantizationParameter object after command cleanup has freed it. Opening the supplied proof-of-concept file triggers the stale heap read; exploitation requires local, user-initiated file processing.

CVSS severity7.8
High
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap use-after-free in GPAC 2.1-DEV-rev478-g696e6f868-master allows attackers to crash MP4Box by opening a crafted BIFS file. During MPEG-4 BIFS scene decoding, Q_IsTypeOn reads a QuantizationParameter object after command cleanup has freed it. Opening the supplied proof-of-concept file triggers the stale heap read; exploitation requires local, user-initiated file processing.

The record

CVE
CVE-2022-45343
Published
Nov 29, 2022
Updated
May 2, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-416, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 29, 2022CVE publishedPublication date reported by the CVE source.
  2. May 2, 2025Record 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

7.8CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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
T1203Exploitation for Client Execution

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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