CVE-2021-39517

EUVD-2021-25874
An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::ReconstructUnsampled() located in blockbitmaprequester.cpp. It allows an attacker to cause Denial of Service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 48%
Affected Products (NVD)
VendorProductVersion
jpeglibjpeg
𝑥
≤ 2020021
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libjpeg
bookworm
0.0~git20220805.54ec643-1
fixed
bullseye
0.0~git20210129.91985dc-1
fixed
sid
0.0~git20220805.54ec643-1
fixed
trixie
0.0~git20220805.54ec643-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libjpeg
bionic
dne
focal
needs-triage
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
ignored
libjpeg-turbo
bionic
not-affected
focal
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
not-affected
xenial
not-affected
libjpeg6b
bionic
not-affected
focal
not-affected
hirsute
ignored
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
not-affected
xenial
needs-triage
libjpeg9
bionic
not-affected
focal
not-affected
hirsute
ignored
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
not-affected
Common Weakness Enumeration
References
https://github.com/thorfdbg/libjpeg/issues/33
https://github.com/thorfdbg/libjpeg/issues/33