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HIGH · 8.8

CVE-2021-21947

Two heap-based buffer overflow vulnerabilities exists in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to a heap buffer overf...

Vulnerability Description

Two heap-based buffer overflow vulnerabilities exists in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger these vulnerabilities.This heap-based buffer overflow takes place when the `SOF3` precision is greater or equal than 9.

CVSS Score

8.8

HIGH

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

Affected Products

VendorProductVersions
AccusoftImagegear19.10

Related Weaknesses (CWE)

CWE-122CWE-129

References

FAQ

What is CVE-2021-21947?

CVE-2021-21947 is a vulnerability with a CVSS score of 8.8 (HIGH). Two heap-based buffer overflow vulnerabilities exists in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to a heap buffer overf...

How severe is CVE-2021-21947?

CVE-2021-21947 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21947?

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