CVE-2022-36139: SWFMill commit 53d7690 was discovered to contain a heap-buffer overflow via SWF::Writer::writeByte(unsigned ch

Q: How do I fix CVE-2022-36139?

swfmill: upgrade to newer than 0.3.6. Exact commands for each OS are on this page.

Q: Is CVE-2022-36139 being exploited?

CVE-2022-36139 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-36139 affect?

CVE-2022-36139 affects swfmill. Severity is high (CVSS 7.8). SWFMill commit 53d7690 was discovered to contain a heap-buffer overflow via SWF::Writer::writeByte(unsigned char).

Q: How urgent is CVE-2022-36139?

Priority 39/100. High severity; Public exploit reference

Routine

HIGH 7.8UPGRADE

CVE-2022-36139 is a high-severity flaw (CVSS 7.8) affecting swfmill. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SWFMill commit 53d7690 was discovered to contain a heap-buffer overflow via SWF::Writer::writeByte(unsigned char).

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-787
Published	2022-08-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: swfmill

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-08-16 21:15 UTCPublished CVE record published
2026-06-17 04:52 UTCUpdated Record last modified

swfmill swfmill UPGRADE

Affected: <= 0.3.6

Fixed in: newer than 0.3.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy swfmill || rpm -q swfmill || swfmill --version

2. UPGRADE to newer than 0.3.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade swfmill

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade swfmill

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-36139?

swfmill: upgrade to newer than 0.3.6. Exact commands for each OS are on this page.

Is CVE-2022-36139 being exploited?

CVE-2022-36139 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-36139 affect?

CVE-2022-36139 affects swfmill. Severity is high (CVSS 7.8). SWFMill commit 53d7690 was discovered to contain a heap-buffer overflow via SWF::Writer::writeByte(unsigned char).

How urgent is CVE-2022-36139?

Priority 39/100. High severity; Public exploit reference

Related CVEs

CVE-2022-36146 MEDIUM 5.5 UPGRADE SWFMill commit 53d7690 was discovered to contain a memory allocation issue via operator new[](unsigned long) a
CVE-2022-36145 MEDIUM 5.5 UPGRADE SWFMill commit 53d7690 was discovered to contain a segmentation violation via SWF::Reader::getWord().
CVE-2022-36144 HIGH 7.8 UPGRADE SWFMill commit 53d7690 was discovered to contain a heap-buffer overflow via base64_encode.
CVE-2022-36143 HIGH 7.8 UPGRADE SWFMill commit 53d7690 was discovered to contain a heap-buffer overflow via __interceptor_strlen.part at /sani
CVE-2022-36142 HIGH 7.8 UPGRADE SWFMill commit 53d7690 was discovered to contain a heap-buffer overflow via SWF::Reader::getU30().

References

← Back to latest CVEs