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MitreCVE-2021-39514

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

CVE-2021-39514

2021-09-2016:15:11

CWE-697

mitre

web.nvd.nist.gov

libjpeg

cve-2021-39514

dos

nvd

security

vulnerability

uncaught floating point exception

aclosslessscan

parsemcu

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

34.7%

JSON

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.

Affected configurations

Nvd

Node

jpeglibjpegRange≤2020021

VendorProductVersionCPE
jpeglibjpeg*cpe:2.3:a:jpeg:libjpeg:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
jpeg	libjpeg	*	cpe:2.3:a:jpeg:libjpeg::::::::

References

github.com/thorfdbg/libjpeg/issues/36

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

34.7%

JSON

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