PT-2023-8675 · Zbar+5 · Zbar+5
Chang Oliver
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Published
2023-08-29
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Updated
2025-11-04
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CVE-2023-40889
CVSS v2.0
10
Critical
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
ZBar version 0.23.90
Description
A heap-based buffer overflow exists in the
qr reader match centers function. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this issue, an attacker can digitally input the malicious QR code or prepare it to be physically scanned by the vulnerable scanner.Recommendations
For ZBar version 0.23.90, consider disabling the
qr reader match centers function until a patch is available to prevent potential exploitation. Restrict the input of QR codes to trusted sources to minimize the risk of information disclosure and/or arbitrary code execution. At the moment, there is no information about a newer version that contains a fix for this issue.Exploit
Fix
Heap Based Buffer Overflow
Memory Corruption
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Related Identifiers
Affected Products
Astra Linux
Linuxmint
Red Os
Suse
Ubuntu
Zbar