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Debian 10 buster: DLA-3675-1 critical: zbar heap overflow

debian lts
Calendar Grey December 1, 2023
Dist Debian Esm H88
Boost the safety of your Debian environment by upgrading zbar to address the critical heap overflow flaw related to QR code detection.
zbar, a barcode and qrcode scanner was vulnerable

Summary

CVE-2023-40889

A heap-based buffer overflow existed
in the qr_reader_match_centers function.
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

A stack overflow was present in lookup_sequence
function. 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.

For Debian 10 buster, these problems have been fixed in version
0.22-1+deb10u1.

We recommend that you upgrade your zbar packages.

For the detailed security status of zbar please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/zbar

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Package: zbar
Version: 0.22-1+deb10u1
CVE ID: CVE-2023-40889 CVE-2023-40890
Debian Bug: 1051724

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