CVE-2021-20299

2022-03-1615:15:10

Debian Security Bug Tracker

security-tracker.debian.org

openexr

multipart

input file

null pointer

system availability

vulnerability

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

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

45.1%

JSON

A flaw was found in OpenEXR’s Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

OSVersionArchitecturePackageVersionFilename
Debian12allopenexr< 2.5.4-1openexr_2.5.4-1_all.deb
Debian11allopenexr< 2.5.4-1openexr_2.5.4-1_all.deb
Debian999allopenexr< 2.5.4-1openexr_2.5.4-1_all.deb
Debian13allopenexr< 2.5.4-1openexr_2.5.4-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	openexr	< 2.5.4-1	openexr_2.5.4-1_all.deb
Debian	11	all	openexr	< 2.5.4-1	openexr_2.5.4-1_all.deb
Debian	999	all	openexr	< 2.5.4-1	openexr_2.5.4-1_all.deb
Debian	13	all	openexr	< 2.5.4-1	openexr_2.5.4-1_all.deb