SCA: security update for pypdf (GHSA-j543-4vmf-qm7v)

medium Tenable Self-Hosted Container Security Plugin ID 443293

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 6.12.2, an attacker who uses this
vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a
page which contains a form XObject with self-references. This vulnerability is fixed in 6.12.2.
(CVE-2026-49461)

Solution

Update the pypdf library and its related packages to version 6.12.2 or later.

See Also

https://github.com/advisories/GHSA-j543-4vmf-qm7v

Plugin Details

Severity: Medium

ID: 443293

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 6/16/2026

Updated: 7/6/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.71

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-49461

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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: 6.9

Threat Score: 6.9

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/16/2026

Vulnerability Publication Date: 6/16/2026

Reference Information

CVE: CVE-2026-49461

cwe: CWE-400