Vulnerability · Published Aug 17, 2021 · Assigned by mitre

CVE-2021-39247

Medium 6.5

In plain English

A medium-severity security flaw in the zint package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS NVD)6.5Medium

Exploit odds (30 days)0.9%top 39.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Ubuntu:22.04:LTS	zint	no fix listed	UBUNTU-CVE-2021-39247

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://sourceforge.net/p/zint/tickets/232/ x_refsource_MISC
https://sourceforge.net/p/zint/code/ci/9b02cd52214e80f945bff41fc94bc1e17e15810c/ x_refsource_MISC