CVE-2021-39595

7.8 HIGH

An issue was discovered in swftools through 20200710

Published: 2021-09-20 · Last updated: 2026-06-17

Severity and scoring

CVSS: 7.8 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-787

Affected products

Vendor	Product
swftools	swftools

Description

An issue was discovered in swftools through 20200710. A stack-buffer-overflow exists in the function rfx_alloc() located in mem.c. It allows an attacker to cause code Execution.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39595
[Exploit reference]https://github.com/matthiaskramm/swftools/issues/141
[Exploit reference]https://github.com/matthiaskramm/swftools/issues/141

Related CVEs

Same vendor

CVE-2021-39598 — An issue was discovered in swftools through 20200710 (5.5 MEDIUM)
CVE-2021-39597 — An issue was discovered in swftools through 20200710 (5.5 MEDIUM)
CVE-2021-39596 — An issue was discovered in swftools through 20200710 (5.5 MEDIUM)
CVE-2021-39594 — Other An issue was discovered in swftools through 20200710 (5.5 MEDIUM)
CVE-2021-39593 — An issue was discovered in swftools through 20200710 (5.5 MEDIUM)

Same CWE

CVE-2026-47750 — stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inf... (7.8 HIGH)
CVE-2026-47747 — stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inf... (7.8 HIGH)
CVE-2026-47749 — stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inf... (7.8 HIGH)
CVE-2026-12314 — Memory safety bug fixed in Thunderbird 152 (7.5 HIGH)
CVE-2026-12310 — Memory safety bug fixed in Thunderbird 152 (7.5 HIGH)