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CVE-2020-27845

Good to know:

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Date: January 5, 2021

There's a flaw in src/lib/openjp2/pi.c of openjpeg in versions prior to 2.4.0. If an attacker is able to provide untrusted input to openjpeg's conversion/encoding functionality, they could cause an out-of-bounds read. The highest impact of this flaw is to application availability.

Language: C

Severity Score

Related Resources (14)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
https://www.oracle.com/security-alerts/cpuApr2021.html
https://nvd.nist.gov/vuln/detail/CVE-2020-27845
https://www.debian.org/security/2021/dsa-4882
https://access.redhat.com/security/cve/CVE-2020-27845
https://bugzilla.redhat.com/show_bug.cgi?id=1907523
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-27845
https://security-tracker.debian.org/tracker/CVE-2020-27845
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
https://www.oracle.com//security-alerts/cpujul2021.html
https://github.com/uclouvain/openjpeg/commit/8f5aff1dff510a964d3901d0fba281abec98ab63
https://security.gentoo.org/glsa/202101-29
https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html
https://www.mend.io/vulnerability-database/CVE-2020-27845

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Heap-based Buffer Overflow

CWE-122

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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