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SCA: security update for Pillow (GHSA-v9pv-5gc8-w2m6)

critical Tenable Cloud Security Plugin ID 476857

Description

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

 - Pillow is a Python imaging library. From 11.0.0 until 13.0.0, multi-frame loaders can retain an
 ImagingCore allocation created for a narrow frame mode while a later frame of the same dimensions changes
 the logical mode and decoder tiles to wider RGB or CMYK data. ImageFile.load_prepare() reuses the stale
 native storage because _im is non-null without verifying that its mode and size still match. Crafted PSD,
 MPO, DCX, or MIC frame transitions can then write wider pixels into the narrow allocation, causing native
 out-of-bounds writes and crashes. The MPO path can also cause a native over-read and, in demonstrated
 runtime-specific profiles, command execution. This issue is fixed in version 13.0.0. (CVE-2026-96639)

Solution

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

See Also

https://github.com/advisories/GHSA-v9pv-5gc8-w2m6

Plugin Details

Severity: Critical

ID: 476857

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/22/2026

Updated: 10/22/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.51

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-96639

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

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-2026-96639