Alpine: multiple py3-pillow packages: security update to 8.1.2-r0

critical Tenable Cloud Security Plugin ID 406690

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- 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. (CVE-2021-25289)

- An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is a negative-offset memcpy with an
invalid size. (CVE-2021-25290)

- An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is an out-of-bounds read in
TiffreadRGBATile via invalid tile boundaries. (CVE-2021-25291)

- An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS)
attack via a crafted PDF file because of a catastrophic backtracking regex. (CVE-2021-25292)

Plugin Details

Severity: Critical

ID: 406690

Version: Revision 1.30

Type: Local

Family: Alpine Linux Local Security Checks

Published: 10/31/2023

Updated: 12/4/2025

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-25289

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

Vector: 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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 3/3/2021

Reference Information

CVE: CVE-2021-25289, CVE-2021-25290, CVE-2021-25291, CVE-2021-25292, CVE-2021-25293, CVE-2021-27921, CVE-2021-27922, CVE-2021-27923

Detections

Analytics