CVE-2021-21235

Infinite loop in parsing PNG files in

Description

kamadak-exif is an exif parsing library written in pure Rust. In kamadak-exif version 0.5.2, there is an infinite loop in parsing crafted PNG files. Specifically, reader::read_from_container can cause an infinite loop when a crafted PNG file is given. This is fixed in version 0.5.3. No workaround is available. Applications that do not pass files with the PNG signature to Reader::read_from_container are not affected.

Categories

5.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.53%
Third-Party Advisory crates.io Third-Party Advisory github.com Third-Party Advisory github.com
Affected: kamadak exif-rs
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-21235?
CVE-2021-21235 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21235?
To fix CVE-2021-21235, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21235 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21235 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21235?
CVE-2021-21235 affects kamadak exif-rs.
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