High severity7.8NVD Advisory· Published Sep 20, 2021· Updated Jun 17, 2026
CVE-2021-39579
CVE-2021-39579
Description
An issue was discovered in swftools through 20200710. A heap-buffer-overflow exists in the function string_hash() located in q.c. It allows an attacker to cause code Execution.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- swftools/swftoolsdescription
- Range: <=20200710
Patches
Vulnerability mechanics
References
1- github.com/matthiaskramm/swftools/issues/125nvdExploitIssue TrackingThird Party Advisory
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