SCA: security update for pypdf (GHSA-5849-834g-hvw5)

high Tenable Cloud Security Plugin ID 478080

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 6.21.4, pypdf can enter an infinite loop
while opening a crafted incomplete PDF whose standard cross-reference table reaches the end of the file
without a trailer. The trailer search can repeatedly rewind to the same stream position instead of
terminating when parsing makes no progress, blocking the processing thread. This issue is fixed in version
6.21.4. (CVE-2026-119203)

Solution

Update the pypdf library and its related packages to version 6.21.4 or later.

See Also

https://github.com/advisories/GHSA-5849-834g-hvw5

Plugin Details

Severity: High

ID: 478080

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/31/2026

Updated: 10/31/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2026-119203

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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: 10/30/2026

Vulnerability Publication Date: 10/29/2026

Reference Information

CVE: CVE-2026-119203

cwe: CWE-835