python-pillow/pillow · Security
Out of bounds write in Pillow
- GHSA ID
- GHSA-57h3-9rgr-c24m
- CVE ID
- CVE-2021-25289
- Severity
- critical
- Published
- Updated
- CVSS
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v4
- 9.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
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.
CWEs
- CWE-787 · Out-of-bounds Write
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-25289 ↗
- https://github.com/python-pillow/Pillow/commit/3fee28eb9479bf7d59e0fa08068f9cc4a6e2f04c ↗
- https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html ↗
- https://security.gentoo.org/glsa/202107-33 ↗
- https://github.com/python-pillow/Pillow/commit/cbfdde7b1f2295059a20a539ee9960f0bec7b299 ↗
- https://github.com/advisories/GHSA-57h3-9rgr-c24m ↗
- https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-35.yaml ↗