CVE-2021-42204

An issue was discovered in swftools through 20201222. A heap-buffer-overflow exists in the function swf_GetBits() located in rfxswf.c. It allows an attacker to cause code execution.

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

1.27% chance of exploitation in the next 30 days, 68th percentile

Published

2022-05-31

Updated

2024-08-04

Proof-of-concept exploits (1)

• matthiaskramm/swftools/issues/169

References

• CVE Record
• NVD entry

Related

• CVE-2021-42203
• CVE-2021-42205
• CVE-2021-42202
• CVE-2021-4221
• CVE-2021-42201
• CVE-2021-42216