Out-of-bounds Write Affecting zint package, versions <2.9.1-1.1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.01% (77th percentile)

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  • Snyk IDSNYK-DEBIAN14-ZINT-11775310
  • published10 Aug 2025
  • disclosed26 Feb 2021

Introduced: 26 Feb 2021

CVE-2021-27799  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:14 zint to version 2.9.1-1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream zint package and not the zint package as distributed by Debian. See How to fix? for Debian:14 relevant fixed versions and status.

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 Base Scores

version 3.1