CVE-2021-21235Medium· 6.5▾ Sunlitkamadak-exif vulnerable to Infinite loop when parsing PNG files
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0.3 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 9.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
1.5%
Reader::read_from_container can cause an infinite loop when a crafted PNG file is given.
Version 0.5.3 includes the fix.
No workaround is available. Applications that do not pass files with the PNG signature to Reader::read_from_container are not affected.
If you have any questions or comments about this advisory:
kamadak-exif >= 0.5.2, < 0.5.3Upgrade to a patched release:
kamadak-exif 0.5.3