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HIGH · 7.8

CVE-2021-42199

An issue was discovered in swftools through 20201222. A heap buffer overflow exists in the function swf_FontExtract_DefineTextCallback() located in swftext.c. It allows an attacker to cause code execu...

Vulnerability Description

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

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
SwftoolsSwftools<= 2020-12-22

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2021-42199?

CVE-2021-42199 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in swftools through 20201222. A heap buffer overflow exists in the function swf_FontExtract_DefineTextCallback() located in swftext.c. It allows an attacker to cause code execu...

How severe is CVE-2021-42199?

CVE-2021-42199 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42199?

Check the references section above for vendor advisories and patch information. Affected products include: Swftools Swftools.