CVE-2021-27799

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.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

2.37% chance of exploitation in the next 30 days, 83th percentile

Published

2021-02-26

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://sourceforge.net/p/zint/tickets/218/

References

• CVE Record
• NVD entry

Related

• CVE-2021-27722
• CVE-2021-27815
• CVE-2021-27710
• CVE-2021-27822
• CVE-2021-27708
• CVE-2021-27825