CVE-2021-39247 : Zint Barcode Generator before 2.10.0 has a one-byte buffer over-read, related to

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.

Published 2021-08-17 21:15:07

Updated 2021-08-25 12:19:59

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-39247

Zint » Barcode Generator
Versions before (<) 2.10.0
cpe:2.3:a:zint:barcode_generator:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.10%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 40 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://sourceforge.net/p/zint/tickets/232/

Zint Barcode Generator / Tickets / #232 Global buffer overflow in rs_encode_uint function
Exploit;Issue Tracking;Patch;Third Party Advisory
https://sourceforge.net/p/zint/code/ci/9b02cd52214e80f945bff41fc94bc1e17e15810c/

Zint Barcode Generator / Code / Commit [9b02cd]
Patch;Third Party Advisory

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