NULL Pointer Dereference Affecting libjpeg package, versions <0.0~git20200925.f145908-1
Threat Intelligence
EPSS
0.08% (35th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-LIBJPEG-1655719
- published 21 Sep 2021
- disclosed 20 Sep 2021
Introduced: 20 Sep 2021
CVE-2021-39517 Open this link in a new tabHow to fix?
Upgrade Debian:11 libjpeg to version 0.0~git20200925.f145908-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libjpeg package and not the libjpeg package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::ReconstructUnsampled() located in blockbitmaprequester.cpp. It allows an attacker to cause Denial of Service.
CVSS Scores
version 3.1