CVE-2021-39557

MEDIUM 5.5CVE-2021-39557 · Published 20/09/2021 · updated 17/06/2026

In short

CVE-2021-39557 is a MEDIUM (CVSS 5.5) vulnerability affecting swftools (swftools).
Chance of exploitation in the next 30 days (EPSS): 0.64%, higher than 50.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
swftools swftools	`≤ 2020-07-10`	No fix yet

Description

An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function copyString() located in gmem.cc. It allows an attacker to cause Denial of Service.

References

matthiaskramm/swftools · Exploit

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Package

Affected versions

Patched versions

swftools

≤ 2020-07-10

No fix yet

More vulnerabilities in swftools

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