CVE-2021-39247 - CVE House
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Status published Medium CVE-2021-39247

Zint Barcode Generator before 2.10.0 has a one-byte buffer over-read,...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2021-27799
ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.9.1 has a...
High 7.5
CVE-2020-9385
A NULL Pointer Dereference exists in libzint in Zint 2.7.1...
High 7.5

Affected Vendor

Affected Software

barcode generator
Vulnerable Versions:
0

Timeline

Official Publish: August 17th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.