CVE-2021-25289 — CRITICAL (9.8)

Q: How severe is CVE-2021-25289?

CVE-2021-25289 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-25289?

Check the references section above for vendor advisories and patch information. Affected products include: Python Pillow.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Python	Pillow	< 8.1.1

Related Weaknesses (CWE)

CWE-787

References

https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.htmlRelease NotesVendor Advisory
https://security.gentoo.org/glsa/202107-33Third Party Advisory
https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.htmlRelease NotesVendor Advisory
https://security.gentoo.org/glsa/202107-33Third Party Advisory

FAQ

What is CVE-2021-25289?

CVE-2021-25289 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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. NOT...

How severe is CVE-2021-25289?

CVE-2021-25289 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-25289?

Check the references section above for vendor advisories and patch information. Affected products include: Python Pillow.