Medium severity · published Dec 27, 2019
CVE-2019-20023
A memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1.8.4
6.5
CVSS
1%
EPSS
No
On KEV
Description
A memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1.8.4.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libsixel · Saitoha
before 1.8.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20023
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20023
Exploit
https://github.com/saitoha/libsixel/issues/120
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