CVE-2021-39515

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5
Description
An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function SampleInterleavedLSScan::ParseMCU() located in sampleinterleavedlsscan.cpp. It allows an attacker to cause Denial of Service.
Overview
  • CVE ID
  • CVE-2021-39515
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-20T16:15:11
  • Last Modified Date
  • 2021-09-24T21:44:45
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:jpeg:libjpeg:*:*:*:*:*:*:*:* 1 OR 2020021
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/thorfdbg/libjpeg/issues/37 Exploit Issue Tracking Third Party Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 06:53:26 Added to TrackCVE
2022-12-05 10:57:22 2021-09-20T16:15Z 2021-09-20T16:15:11 CVE Published Date updated
2022-12-05 10:57:22 2021-09-24T21:44:45 CVE Modified Date updated
2022-12-05 10:57:22 Analyzed Vulnerability Status updated