Detections
Analytics

Alpine: multiple libzbar packages, multiple zbar packages, py3-zbar: security update to 0.23.93-r0

critical Tenable Cloud Security Plugin ID 426269

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

 - A heap-based buffer overflow exists in the qr_reader_match_centers function of ZBar 0.23.90. Specially
 crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this
 vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically
 scanned by the vulnerable scanner. (CVE-2023-40889)

 - A stack-based buffer overflow vulnerability exists in the lookup_sequence function of ZBar 0.23.90.
 Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger
 this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically
 scanned by the vulnerable scanner. (CVE-2023-40890)

See Also

https://security.alpinelinux.org/vuln/CVE-2023-40889

https://security.alpinelinux.org/vuln/CVE-2023-40890

Plugin Details

Severity: Critical

ID: 426269

Version: Revision 1.11

Type: Local

Published: 5/16/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.58

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2023-40890

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 8/29/2023

Reference Information

CVE: CVE-2023-40889, CVE-2023-40890