What is CVE-2022-36140?

CVE-2022-36140 is a medium-severity vulnerability in Swfmill, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2022-08-16.

How severe is CVE-2022-36140?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2022-36140 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Swfmill

CVE-2022-36140

SWFMill commit 53d7690 was discovered to contain a segmentation violation via SWF::DeclareFunction2::write(SWF::Writer*, SWF::Context*).

Published 2022-08-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (20.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Swfmill

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

Public proof-of-concept exploits

References

github.com/djcsdy/swfmill/issues/57 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-36140?: CVE-2022-36140 is a medium-severity vulnerability in Swfmill, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2022-08-16.
How severe is CVE-2022-36140?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-36140 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.