CVE-2020-35511

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 29.3% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-08-23 00:00Z4 YR AGO

Last updated

2024-08-04 17:02Z2 YR AGO

Reserved

2020-12-17

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-126Buffer Over-readVariant
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

0248d5c86974b7eb74dd138054b3faa211c2c92688fd1dbe245aaee357c20cd1

• www.libpng.orghttp://www.libpng.org/pub/png/apps/pngcheck.html
• www.debian.orgDSA-5300https://www.debian.org/security/2022/dsa-5300vendor-advisory
• lists.debian.org[debian-lts-announce] 20221213 [SECURITY] [DLA 3238-1] pngcheck security updatehttps://lists.debian.org/debian-lts-announce/2022/12/msg00024.htmlmailing-list