Detections
Analytics

SCA: security update for pypdf (GHSA-9mx8-4j7g-633p)

medium Tenable Cloud Security Plugin ID 476560

Description

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

 - pypdf is a free and open-source pure-python PDF library. Prior to 6.20.1, removing an object from a
 crafted cyclic PDF tree, such as an outline item, can enter an infinite loop and block the current
 process. This issue is fixed in version 6.20.1. (CVE-2026-113793)

Solution

Update the pypdf library and its related packages to version 6.20.1 or later.

See Also

https://github.com/advisories/GHSA-9mx8-4j7g-633p

Plugin Details

Severity: Medium

ID: 476560

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-113793

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6

Threat Score: 2.3

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 10/21/2026

Reference Information

CVE: CVE-2026-113793

cwe: CWE-835