CVE-2021-39519

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 46%
VendorProductVersion
jpeglibjpeg
𝑥
≤ 2020021
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libjpeg
bullseye
0.0~git20210129.91985dc-1
fixed
sid
0.0~git20220805.54ec643-1
fixed
trixie
0.0~git20220805.54ec643-1
fixed
bookworm
0.0~git20220805.54ec643-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libjpeg
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
focal
needs-triage
bionic
dne
xenial
ignored
trusty
dne
libjpeg-turbo
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
libjpeg6b
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
ignored
focal
not-affected
bionic
not-affected
xenial
needs-triage
trusty
not-affected
libjpeg9
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
ignored
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
https://github.com/thorfdbg/libjpeg/issues/28
https://github.com/thorfdbg/libjpeg/issues/28