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CVE-2021-27799

nvd nist
Published: Feb 26, 2021Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.9.1 has a stack-based buffer overflow that is reachable from the C API through an application that includes the Zint Barcode Generator library code.

Affected (1)

Zint
1 product
Barcode Generator
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Barcode Generator
Version 2.9.1

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (10)

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

Timeline

No history available yet.