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openSUSE 16 Security Update : python-PyPDF2 (openSUSE-SU-2026:20333-1)

high Nessus Plugin ID 301471

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Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20333-1 advisory.

 Changes in python-PyPDF2:

 - CVE-2026-27628: Fixed infinite loop when loading circular /Prev entries in cross-reference streams (bsc#1258940)
 - CVE-2026-27888: Fixed issue where manipulated FlateDecode XFA streams can exhaust RAM (bsc#1258934)
 - CVE-2025-55197: Fixed denial of service via craft PDF (bsc#1248089)
 - CVE-2026-27024: Fixed infinite loop when processing TreeObject (bsc#1258691)
 - CVE-2026-27025: Fixed long runtimes/large memory usage for large /ToUnicode streams (bsc#1258692)
 - CVE-2026-27026: Fixed long runtimes for malformed FlateDecode streams (bsc#1258693)

 - Convert to pip-based build

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected python313-PyPDF2 package.

See Also

https://bugzilla.suse.com/1248089

https://bugzilla.suse.com/1258691

https://bugzilla.suse.com/1258692

https://bugzilla.suse.com/1258693

https://bugzilla.suse.com/1258934

https://bugzilla.suse.com/1258940

https://www.suse.com/security/cve/CVE-2025-55197

https://www.suse.com/security/cve/CVE-2026-27024

https://www.suse.com/security/cve/CVE-2026-27025

https://www.suse.com/security/cve/CVE-2026-27026

https://www.suse.com/security/cve/CVE-2026-27628

https://www.suse.com/security/cve/CVE-2026-27888

Plugin Details

Severity: High

ID: 301471

File Name: openSUSE-2026-20333-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/8/2026

Updated: 3/8/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-27888

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: 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

CPE: p-cpe:/a:novell:opensuse:python313-pypdf2, cpe:/o:novell:opensuse:16.0

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/6/2026

Vulnerability Publication Date: 8/13/2025

Reference Information

CVE: CVE-2025-55197, CVE-2026-27024, CVE-2026-27025, CVE-2026-27026, CVE-2026-27628, CVE-2026-27888