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CVE-2021-39247

nvd nist
Published: Aug 17, 2021Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

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.

Affected (1)

Zint
1 product
Barcode Generator
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Barcode Generator
Before 2.10.0

Related CWEs

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

References (4)

Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
ExploitIssue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingPatchThird Party Advisory

Timeline

No history available yet.