CVE-2021-39514
Published: 20 September 2021
An issue was discovered in libjpeg through 2020021. An uncaught floating point exception in the function ACLosslessScan::ParseMCU() located in aclosslessscan.cpp. It allows an attacker to cause Denial of Service.
Notes
Author | Note |
---|---|
jdstrand |
libjpeg-turbo is a fork of libjpeg8 |
mdeslaur |
file doesn't exist in libjpeg-turbo |
eslerm |
libjpeg-turbo/libjpeg6b/libjpeg8/libjpeg9 are from different codebases only libjpeg is affected |
Priority
Status
Package | Release | Status |
---|---|---|
libjpeg
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Needs triage
|
|
hirsute |
Not vulnerable
(0.0~git20210129.91985dc-1build1)
|
|
impish |
Not vulnerable
|
|
jammy |
Not vulnerable
|
|
kinetic |
Not vulnerable
|
|
lunar |
Not vulnerable
|
|
mantic |
Not vulnerable
|
|
noble |
Not vulnerable
|
|
trusty |
Does not exist
|
|
upstream |
Released
(0.0~git20200925.f145908-1)
|
|
xenial |
Ignored
(end of standard support)
|
|
libjpeg-turbo
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
focal |
Not vulnerable
(code not present)
|
|
hirsute |
Not vulnerable
(code not present)
|
|
impish |
Not vulnerable
(code not present)
|
|
jammy |
Not vulnerable
(code not present)
|
|
kinetic |
Not vulnerable
(code not present)
|
|
lunar |
Not vulnerable
(code not present)
|
|
mantic |
Not vulnerable
(code not present)
|
|
noble |
Not vulnerable
(code not present)
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Not vulnerable
(code not present)
|
|
xenial |
Not vulnerable
(code not present)
|
|
libjpeg6b
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
focal |
Not vulnerable
(code not present)
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Not vulnerable
(code not present)
|
|
jammy |
Not vulnerable
(code not present)
|
|
kinetic |
Not vulnerable
(code not present)
|
|
lunar |
Not vulnerable
(code not present)
|
|
mantic |
Not vulnerable
(code not present)
|
|
noble |
Not vulnerable
(code not present)
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Not vulnerable
(code not present)
|
|
xenial |
Needs triage
|
|
libjpeg9
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
focal |
Not vulnerable
(code not present)
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Not vulnerable
(code not present)
|
|
jammy |
Not vulnerable
(code not present)
|
|
kinetic |
Not vulnerable
(code not present)
|
|
lunar |
Not vulnerable
(code not present)
|
|
mantic |
Not vulnerable
(code not present)
|
|
noble |
Not vulnerable
(code not present)
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(code not present)
|
|
xenial |
Not vulnerable
(code not present)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |