CVE-2021-39516

An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function HuffmanDecoder::Get() located in huffmandecoder.hpp. It allows an attacker to cause Denial of Service.

CVSS v3.1

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

CVSS v2.0

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

EPSS

0.86% chance of exploitation in the next 30 days, 56th percentile

Published

2021-09-20

Updated

2024-08-04

Proof-of-concept exploits (1)

• thorfdbg/libjpeg/issues/42

References

• CVE Record
• NVD entry

Related

• CVE-2021-39514
• CVE-2021-39515
• CVE-2021-39517
• CVE-2021-39518
• CVE-2021-39519
• CVE-2021-39520