DEBIAN-CVE-2021-39520

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Source
https://security-tracker.debian.org/tracker/CVE-2021-39520
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39520.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-39520
Upstream
Published
2021-09-20T16:15:11Z
Modified
2026-09-01T20:04:32Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:12 / libjpeg

Package

Name
libjpeg
Purl
pkg:deb/debian/libjpeg?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.0~git20200925.f145908-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39520.json"

Debian:13 / libjpeg

Package

Name
libjpeg
Purl
pkg:deb/debian/libjpeg?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.0~git20200925.f145908-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39520.json"

Debian:14 / libjpeg

Package

Name
libjpeg
Purl
pkg:deb/debian/libjpeg?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.0~git20200925.f145908-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39520.json"