CVE-2021-39518: Buffer Overflow
Published Sep 20, 2021
·Updated
An issue was discovered in libjpeg through 2020021. LineBuffer::FetchRegion() in linebuffer.cpp has a heap-based buffer overflow.
Affected Software
1 affected component
jpeg libjpeg<=2020021
Remediation
Patch Available
Event History
Sep 20, 2021
CVE Published
via MITRE·03:26 PM
Data Sourced
via MITRE·03:26 PM
Description
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-39518?
CVE-2021-39518 is classified as a high severity vulnerability due to the potential for heap-based buffer overflow leading to arbitrary code execution.
2
How do I fix CVE-2021-39518?
To fix CVE-2021-39518, update libjpeg to version 2020021 or later, which contains a patch for the vulnerability.
3
What systems are vulnerable to CVE-2021-39518?
Systems using libjpeg versions up to and including 2020021 are vulnerable to CVE-2021-39518.
4
What type of vulnerability is CVE-2021-39518?
CVE-2021-39518 is a heap-based buffer overflow vulnerability found in the LineBuffer::FetchRegion() function.
5
What can happen if CVE-2021-39518 is exploited?
If exploited, CVE-2021-39518 can allow an attacker to execute arbitrary code on the affected system.