critical9.8
CVE-2021-25289
Out of bounds write in Pillow
Impact
An issue was discovered in Pillow before 8.1.1. TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode. NOTE: this issue exists because of an incomplete fix for CVE-2020-35654.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | pillow | >= 0, < 8.1.1 | 8.1.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Python | Pillow | before 8.1.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
- https://security.gentoo.org/glsa/202107-33
- https://github.com/advisories/GHSA-57h3-9rgr-c24m
- https://nvd.nist.gov/vuln/detail/CVE-2021-25289
- https://github.com/python-pillow/Pillow/commit/3fee28eb9479bf7d59e0fa08068f9cc4a6e2f04c
- https://github.com/python-pillow/Pillow/commit/cbfdde7b1f2295059a20a539ee9960f0bec7b299
- https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-35.yaml