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Debian Security Bug TrackerDEBIANCVE:CVE-2021-39518

HistorySep 20, 2021 - 4:15 p.m.

CVE-2021-39518

2021-09-2016:15:11

Debian Security Bug Tracker

security-tracker.debian.org

libjpeg

heap-based buffer overflow

unix

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

42.9%

JSON

An issue was discovered in libjpeg through 2020021. LineBuffer::FetchRegion() in linebuffer.cpp has a heap-based buffer overflow.

OSVersionArchitecturePackageVersionFilename
Debian12alllibjpeg< 0.0~git20200925.f145908-1libjpeg_0.0~git20200925.f145908-1_all.deb
Debian11alllibjpeg< 0.0~git20200925.f145908-1libjpeg_0.0~git20200925.f145908-1_all.deb
Debian999alllibjpeg< 0.0~git20200925.f145908-1libjpeg_0.0~git20200925.f145908-1_all.deb
Debian13alllibjpeg< 0.0~git20200925.f145908-1libjpeg_0.0~git20200925.f145908-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	libjpeg	< 0.0~git20200925.f145908-1	libjpeg_0.0~git20200925.f145908-1_all.deb
Debian	11	all	libjpeg	< 0.0~git20200925.f145908-1	libjpeg_0.0~git20200925.f145908-1_all.deb
Debian	999	all	libjpeg	< 0.0~git20200925.f145908-1	libjpeg_0.0~git20200925.f145908-1_all.deb
Debian	13	all	libjpeg	< 0.0~git20200925.f145908-1	libjpeg_0.0~git20200925.f145908-1_all.deb

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

42.9%

JSON

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