4.3 Medium
CVSS2
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
6.5 Medium
CVSS3
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
0.003 Low
EPSS
Percentile
69.7%
An issue in the dither.c component of libsixel prior to v1.8.4 allows
attackers to cause a denial of service (DOS) via a crafted PNG file.
bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad
github.com/saitoha/libsixel/blob/master/ChangeLog
github.com/saitoha/libsixel/commit/26ac06f3623279348f0dce2d191a9b6ca0c80226
github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037
github.com/saitoha/libsixel/issues/73
github.com/saitoha/libsixel/releases/tag/v1.8.4
launchpad.net/bugs/cve/CVE-2020-21048
nvd.nist.gov/vuln/detail/CVE-2020-21048
security-tracker.debian.org/tracker/CVE-2020-21048
www.cve.org/CVERecord?id=CVE-2020-21048
4.3 Medium
CVSS2
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
6.5 Medium
CVSS3
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
0.003 Low
EPSS
Percentile
69.7%