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Ubuntu.comUB:CVE-2021-39247

HistoryAug 17, 2021 - 12:00 a.m.

CVE-2021-39247

2021-08-1700:00:00

ubuntu.com

buffer over-read

zint barcode generator

cve-2021-39247

code1.c

reedsol.c

unix

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

41.0%

JSON

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.

Notes

Author	Note
sbeattie	possibly introduced by 6274140c73aa39c42271644ef8c9b4551ca06fc2

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchzint< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	22.04	noarch	zint	< any	UNKNOWN

References

launchpad.net/bugs/cve/CVE-2021-39247

nvd.nist.gov/vuln/detail/CVE-2021-39247

security-tracker.debian.org/tracker/CVE-2021-39247

sourceforge.net/p/zint/code/ci/9b02cd52214e80f945bff41fc94bc1e17e15810c/

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

www.cve.org/CVERecord?id=CVE-2021-39247

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

41.0%

JSON

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