Detections
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Echo: pypdf: security update to 6.18.1

high Tenable Self-Hosted Container Security Plugin ID 471623

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 6.18.1, a crafted PDF can place
 unusually large source-code or destination-string tokens in a font /ToUnicode mapping, causing
 pypdf/_cmap.py parse_bfchar to decode and retain oversized values during operations such as text
 extraction and consume excessive memory. This is a second follow-up to earlier /ToUnicode resource-
 consumption fixes and is limited to the remaining token-length path. This issue is fixed in version
 6.18.1. (CVE-2026-102995)

Solution

Update the pypdf library and its related packages to version 6.18.1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-102995

Plugin Details

Severity: High

ID: 471623

Version: Revision 1.1

Type: Local

Published: 10/3/2026

Updated: 10/3/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.63

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-2026-102995

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: 8.7

Threat Score: 6.6

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:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/2/2026

Vulnerability Publication Date: 9/30/2026

Reference Information

CVE: CVE-2026-102995