CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
70.5%
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.
zint.org.uk/Manual.aspx?type=p&page=3
zint.org.uk/Manual.aspx?type=p&page=4
zint.org.uk/Manual.aspx?type=p&page=5
launchpad.net/bugs/cve/CVE-2021-27799
nvd.nist.gov/vuln/detail/CVE-2021-27799
security-tracker.debian.org/tracker/CVE-2021-27799
sourceforge.net/p/zint/code/ci/7f8c8114f31c09a986597e0ba63a49f96150368a/
sourceforge.net/p/zint/tickets/218/
www.cve.org/CVERecord?id=CVE-2021-27799
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
70.5%