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CVE-2021-3272

MEDIUM
5.5
CVSS Score
Published: January 27, 2021 at 07:29 AM UTC
Updated: June 17, 2026 at 04:04 AM UTC
2 products affected across 2 vendorsFedoraJasper

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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%

Description

jp2_decode in jp2/jp2_dec.c in libjasper in JasPer 2.0.24 has a heap-based buffer over-read when there is an invalid relationship between the number of channels and the number of image components.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (3)

x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/jasper-software/jasper/issues/259
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BZFU2F6UW4L2FJE65WJLWGUIELDWCL7/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HD2Y2LT4N5ZWCMKYCUIKB3XODNJLOW3J/

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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