Buffer overflow in Python Pillow

CVE-2020-35654

In Pillow before 8.1.0, TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (75.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-35654?
CVE-2020-35654 is a high-severity vulnerability in Python Pillow, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-01-12.
How severe is CVE-2020-35654?
High severity. CVSS v3 base score is 8.8 out of 10.