SCA: security update for Pillow (GHSA-9v9v-9qvf-h2hj)

high Tenable Cloud Security Plugin ID 476843

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Pillow is a Python imaging library. Prior to 13.0.0 on Windows, src/PIL/WmfImagePlugin.py passes unchecked
32-bit WMF or EMF dimensions to the native drawwmf handler in src/display.c. The handler sizes a DIB
allocation from 16-bit-truncated bcWidth and bcHeight fields but copies pixel data using the original full
dimensions. A crafted wide, short metafile can pass the pixel-count decompression-bomb check and make the
Windows-only renderer read beyond the heap buffer, potentially disclosing memory or crashing the process.
This issue is fixed in version 13.0.0. (CVE-2026-96644)

Solution

Update the Pillow library and its related packages to version 13.0.0 or later.

See Also

https://github.com/advisories/GHSA-9v9v-9qvf-h2hj

Plugin Details

Severity: High

ID: 476843

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 10/22/2026

Updated: 10/28/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.4

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-96644

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

CVSS v4

Risk Factor: High

Base Score: 7.1

Threat Score: 5

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/22/2026

Vulnerability Publication Date: 10/21/2026

Reference Information

CVE: CVE-2026-96644

cwe: CWE-125