Insufficient Verification of Data Authenticity in Pillow

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0073, the 54th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 8 Jun 2021. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-hjfx-8p6c-g7gx
• OSV: GHSA-hjfx-8p6c-g7gx
• nvd.nist.gov/vuln/detail/CVE-2021-28678
• github.com/python-pillow/Pillow/pull/5377
• github.com/python-pillow/Pillow/pull/5377/commits/496245aa4365d0827390bd0b6fbd11287453b3a1
• github.com/advisories/GHSA-hjfx-8p6c-g7gx
• github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-94.yaml
• github.com/python-pillow/Pillow
• lists.fedoraproject.org/archives/list/[email protected]/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL
• pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28678-fix-blp-dos
• security.gentoo.org/glsa/202107-33

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.