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CVE-2020-36277

Good to know:

Date: March 11, 2021

Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c.

Language: C

Severity Score

7.5

Related Resources (12)

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JQUEA2X6UTH4DMYCMZAWE2QQLN5YANUA/

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997

Url: https://security.gentoo.org/glsa/202107-53

Url: https://github.com/DanBloomberg/leptonica/pull/499

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RD5AIWHWE334HGYZJR2U3I3JYKSSO2LW/

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-36277

Url: https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0

Url: https://security-tracker.debian.org/tracker/CVE-2020-36277

Url: https://lists.debian.org/debian-lts-announce/2021/03/msg00037.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQUEA2X6UTH4DMYCMZAWE2QQLN5YANUA/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RD5AIWHWE334HGYZJR2U3I3JYKSSO2LW/

Url: https://www.mend.io/vulnerability-database/CVE-2020-36277

Severity Score

7.5

Weakness Type (CWE)

Always-Incorrect Control Flow Implementation

CWE-670

Top Fix

Upgrade Version

Upgrade to version 1.80.0

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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