CVE-2021-21235 — Infinite loop in parsing PNG files in

Affected: kamadak exif-rs

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.

GHSA-px9g-8hgv-jvg2 — kamadak-exif vulnerable to Infinite loop when parsing PNG files

Affected: crates.io: kamadak-exif

### Impact Reader::read_from_container can cause an infinite loop when a crafted PNG file is given.

### Patches Version 0.5.3 includes the fix.

### Workarounds No workaround is available. Applications that do not pass files with the PNG signature to Reader::read_from_container are not affected.

### References * <https://github.com/kamadak/exif-rs/security/advisories/GHSA-px9g-8hgv-jvg2> * <https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21235>

### For more information If you have any questions or comments about this advisory: * Open an issue in [github.com/kamadak/exif-rs](https://github.com/kamadak/exif-rs)

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CVE-2021-21235 — Infinite loop in parsing PNG files in

GHSA-px9g-8hgv-jvg2 — kamadak-exif vulnerable to Infinite loop when parsing PNG files