VulnerabilityModified
CVE-2021-39520
It allows an attacker to cause Denial of Service.
MEDIUM 6.5EPSS 0.87%
Does this matter?
Lower severity and a low EPSS score (0.87%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PushReconstructedData() located in blockbitmaprequester.cpp. It allows an attacker to cause Denial of Service.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.87% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- jpeg/libjpeg
- Source
- cve@mitre.org
References
- https://github.com/thorfdbg/libjpeg/issues/34Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/thorfdbg/libjpeg/issues/34Exploit, Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.