CVE-2021-39247

MEDIUM

Zint Barcode Generator < 2.10.0 - Out-of-Bounds Read

Title source: rule
STIX 2.1

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.

References (2)

Core 2
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://sourceforge.net/p/zint/tickets/232/

Scores

CVSS v3 6.5
EPSS 0.0024
EPSS Percentile 46.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-125
Status published
Products (1)
zint/barcode_generator < 2.10.0
Published Aug 17, 2021
Tracked Since Feb 18, 2026