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CVE-2020-28248

HIGHCVSS 8.8/10EPSS 2.22%

Last modified

CVE-2020-28248 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 2.22% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
2.22%

80.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Png-Img ProjectPng-Img< 3.1.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-28248?
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.
How severe is CVE-2020-28248?
CVE-2020-28248 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.22% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28248?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST