CVE-2022-36142

CLI crash via heap-buffer overflow

Published Aug 16, 2022 · Updated Aug 3, 2024

Out-of-bounds write in SWFMill 0.3.6 and earlier allows attackers to crash the CLI via crafted SWF input. SWF::Reader::getU30() reads malformed SWF data without sufficient bounds control, causing a heap-buffer overflow during parsing. Exploitation requires local execution of the command-line tool and user interaction to process attacker-controlled input; the published record describes a crash and does not establish code execution or data disclosure.

CVSS severity7.8
High
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in SWFMill 0.3.6 and earlier allows attackers to crash the CLI via crafted SWF input. SWF::Reader::getU30() reads malformed SWF data without sufficient bounds control, causing a heap-buffer overflow during parsing. Exploitation requires local execution of the command-line tool and user interaction to process attacker-controlled input; the published record describes a crash and does not establish code execution or data disclosure.

The record

CVE
CVE-2022-36142
Published
Aug 16, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 16, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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

7.8NISTCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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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