SCA: security update for pypdf (GHSA-f2v5-7jq9-h8cg)

medium Tenable Self-Hosted Container Security Plugin ID 438134

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 version 6.7.4, an attacker who uses this
vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream
using the RunLengthDecode filter. This has been fixed in pypdf 6.7.4. As a workaround, consider applying
the changes from PR #3664. (CVE-2026-28351)

See Also

https://github.com/advisories/GHSA-f2v5-7jq9-h8cg

Plugin Details

Severity: Medium

ID: 438134

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 3/4/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

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-2026-28351

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 2/28/2026

Vulnerability Publication Date: 2/27/2026

Reference Information

CVE: CVE-2026-28351

cwe: CWE-400