CVE Vulnerability

CVE-2021-39247

Zint Barcode Generator before 2.10.0 has a one-byte buffer over-read, related to is_last_single_ascii in code1.c, and rs_encode_uint in reedsol.c.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://sourceforge.net/p/zint/code/ci/9b02cd52214e80f945bff41fc94bc1e17e15810c/ Patch Third Party Advisory
https://sourceforge.net/p/zint/tickets/232/ Exploit Issue Tracking
Configurations

Configuration 1

cpe:2.3:a:zint:barcode_generator:*:*:*:*:*:*:*:*
Information

Published : 2021-08-17 09:15

Updated : 2021-08-25 12:19

NVD link : CVE-2021-39247

Mitre link : CVE-2021-39247

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read