HIGH

CVE-2020-28248

CVSS v3

8.8

HIGH

EPSS Score

2.2 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

png-imgnpmall versions · fixed in 3.1.0

Full record on NVD

Description

An integer overflow in the PngImg::InitStorage_() function of png-img before 3.1.0 leads to an under-allocation of heap memory and subsequently an exploitable heap-based buffer overflow when loading a crafted PNG file.

Technical details

Published: 2021-02-20

Frequently asked questions

What is CVE-2020-28248?

Is CVE-2020-28248 actively exploited?

Active exploitation of CVE-2020-28248 has not been confirmed. Its EPSS score was 2.2% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-28248?

CVE-2020-28248 has a CVSS v3 base score of 8.8 (HIGH severity).

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