CVE-2020-35511

HIGH
Published Aug 23, 20223y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Aug 23, 2022 3y ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-126

Affected Products 3

VendorProductVersionRange
libpngpngcheck2.4.0any
debiandebian_linux10.0any
debiandebian_linux11.0any

References 3

  • libpng.org http://www.libpng.org/pub/png/apps/pngcheck.html
    Third Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2022/12/msg00024.html
    Mailing ListThird Party Advisory
  • debian.org https://www.debian.org/security/2022/dsa-5300
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.