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Debian Security Bug TrackerDEBIANCVE:CVE-2021-20298HistoryAug 23, 2022 - 4:15 p.m.
CVE-2021-20298
2022-08-2316:15:09
Debian Security Bug Tracker
security-tracker.debian.org
26
openexr
b44compressor
memory exhaustion
vulnerability
system availability
unix
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
61.9%
A flaw was found in OpenEXR’s B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. 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
61.9%
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