Medium severity · published Nov 30, 2018
CVE-2018-19763
There is a heap-based buffer over-read at writer.c (function: write_png_to_file) in libsixel 1.8.2 that will cause a denial of service
5.5
CVSS
0.7%
EPSS
No
On KEV
Description
There is a heap-based buffer over-read at writer.c (function: write_png_to_file) in libsixel 1.8.2 that will cause a denial of service.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libsixel · Saitoha
1.8.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19763
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-19763
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1649201
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