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CVE-2020-35511

Date: August 22, 2022

A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.

Severity Score

7.8

Related Resources (7)

Url: https://www.debian.org/security/2022/dsa-5300

Url: https://lists.debian.org/debian-lts-announce/2022/12/msg00024.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-35511

Url: http://www.libpng.org/pub/png/apps/pngcheck.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-35511

Url: https://security-tracker.debian.org/tracker/CVE-2020-35511

Url: https://www.mend.io/vulnerability-database/CVE-2020-35511

Severity Score

7.8

Weakness Type (CWE)

Buffer Errors

CWE-119

Buffer Over-read

CWE-126

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

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