What is CVE-2022-35085?

CVE-2022-35085 is a medium-severity vulnerability in Swftools, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2022-09-21.

How severe is CVE-2022-35085?

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

Is CVE-2022-35085 known to be exploited?

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

Vulnerability in Swftools

CVE-2022-35085

SWFTools commit 772e55a2 was discovered to contain a memory leak via /lib/mem.c.

Published 2022-09-21 · 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 (22.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.5% 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

Swftools

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

Public proof-of-concept exploits

References

github.com/matthiaskramm/swftools/issues/181 (Exploit, Third Party Advisory, Issue Tracking)
github.com/Cvjark/Poc/blob/main/swftools/gif2swf/CVE-2022-35085.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-35085?: CVE-2022-35085 is a medium-severity vulnerability in Swftools, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2022-09-21.
How severe is CVE-2022-35085?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-35085 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.