kamadak-exif vulnerable to Infinite loop when parsing PNG files

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&gt;
• <https://vulners.com/cve/CVE-2021-21235&gt;

For more information

If you have any questions or comments about this advisory:

• Open an issue in github.com/kamadak/exif-rs