NULL Pointer Dereference Affecting libjpeg package, versions <0.0~git20200925.f145908-1


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.08% (35th percentile)

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  • Snyk ID SNYK-DEBIAN11-LIBJPEG-1655725
  • published 21 Sep 2021
  • disclosed 20 Sep 2021

How 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::PullQData() located in blockbitmaprequester.cpp It allows an attacker to cause Denial of Service.

CVSS Scores

version 3.1
Expand this section

NVD

6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High