CVE-2020-27818

Upstream information

CVE-2020-27818 at MITRE

Description

A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores

CVSS detail	National Vulnerability Database
Base Score	4.3
Vector	AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector	Network
Access Complexity	Medium
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

CVSS v3 Scores

CVSS detail	National Vulnerability Database
Base Score	3.3
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Low
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1179528 [RESOLVED / FIXED]

SUSE Security Advisories:

• openSUSE-SU-2020:2177-1, published Tue Feb 16 10:57:22 2021
• openSUSE-SU-2020:2198-1, published Tue Feb 16 10:57:22 2021
• openSUSE-SU-2020:2220-1, published Tue Feb 16 10:57:22 2021
• openSUSE-SU-2020:2227-1, published Tue Feb 16 10:57:22 2021

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP1	pngcheck >= 2.3.0-bp151.4.3.1	Patchnames: openSUSE-2020-2227
SUSE Package Hub 15 SP2	pngcheck >= 2.3.0-bp152.4.3.1	Patchnames: openSUSE-2020-2220
openSUSE Leap 15.1	pngcheck >= 2.3.0-lp151.3.3.1	Patchnames: openSUSE-2020-2198
openSUSE Leap 15.2	pngcheck >= 2.3.0-lp152.4.3.1	Patchnames: openSUSE-2020-2177
openSUSE Tumbleweed	pngcheck >= 3.0.0-1.7	Patchnames: openSUSE-Tumbleweed-2024-11176

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SUSE Timeline for this CVE

CVE page created: Tue Dec 1 10:23:17 2020
CVE page last modified: Mon Oct 6 19:27:17 2025