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CVE-2021-25290

Good to know:

Date: March 18, 2021

An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is a negative-offset memcpy with an invalid size.

Language: Python

Severity Score

7.5

Related Resources (11)

Url: https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html

Url: https://security.gentoo.org/glsa/202107-33

Url: https://github.com/python-pillow/Pillow

Url: https://github.com/python-pillow/Pillow/commit/e25be1e33dc526bfd1094bc778a54d8e29bf66c9

Url: https://github.com/python-pillow/Pillow/commit/86f02f7c70862a0954bfe8133736d352db978eaa

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-25290

Url: https://github.com/advisories/GHSA-8xjq-8fcg-g5hw

Url: https://access.redhat.com/security/cve/CVE-2021-25290

Url: https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-36.yaml

Url: https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html

Url: https://www.mend.io/vulnerability-database/CVE-2021-25290

Severity Score

7.5

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

Upgrade to version 8.1.1

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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