Detections
Analytics

SCA: security update for pypdf (GHSA-gmh7-3g9r-mjh5)

high Tenable Self-Hosted Container Security Plugin ID 477256

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 6.21.2, an attacker can craft a PDF with
 a standard cross-reference table whose declared entry count exceeds what the file can contain, causing
 excessive processing and long runtimes when the file is opened. This issue is fixed in version 6.21.2.
 (CVE-2026-115580)

Solution

Update the pypdf library and its related packages to version 6.21.2 or later.

See Also

https://github.com/advisories/GHSA-gmh7-3g9r-mjh5

Plugin Details

Severity: High

ID: 477256

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/24/2026

Updated: 10/24/2026

Risk Information

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2026-115580

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: High

Base Score: 7.1

Threat Score: 4.9

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/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: 10/23/2026

Vulnerability Publication Date: 10/23/2026

Reference Information

CVE: CVE-2026-115580

cwe: CWE-834