CVE-2021-21235

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.

• CWE-400
• CWE-835

• https://crates.io/crates/kamadak-exifProduct, Third Party Advisory
• https://github.com/kamadak/exif-rs/commit/f21df24616ea611c5d5d0e0e2f8042eb74d5ff48Patch, Third Party Advisory
• https://github.com/kamadak/exif-rs/security/advisories/GHSA-px9g-8hgv-jvg2Third Party Advisory
• https://crates.io/crates/kamadak-exifProduct, Third Party Advisory
• https://github.com/kamadak/exif-rs/commit/f21df24616ea611c5d5d0e0e2f8042eb74d5ff48Patch, Third Party Advisory
• https://github.com/kamadak/exif-rs/security/advisories/GHSA-px9g-8hgv-jvg2Third Party Advisory

Published

Jan 6, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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