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Debian Security Bug TrackerDEBIANCVE:CVE-2021-20304HistoryAug 23, 2022 - 4:15 p.m.
CVE-2021-20304
2022-08-2316:15:09
Debian Security Bug Tracker
security-tracker.debian.org
19
openexr
hufdecode
crafted file
system availability
vulnerability
right shift error
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
0.002
Percentile
60.7%
A flaw was found in OpenEXR’s hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.
| 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 |
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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
0.002
Percentile
60.7%
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