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 den

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.

Published 2018-11-30 03:29:01

Updated 2018-12-26 17:06:48

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2018-19763

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 19 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-19763

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

References for CVE-2018-19763

https://bugzilla.redhat.com/show_bug.cgi?id=1649201

1649201 – There is a heap-buffer-overflow at writer.c:140(function:write_png_to_file) in libsixel latest version that will cause serious impact.
Exploit;Issue Tracking;Third Party Advisory

Products affected by CVE-2018-19763

Libsixel Project » Libsixel » Version: 1.8.2
cpe:2.3:a:libsixel_project:libsixel:1.8.2:*:*:*:*:*:*:*
Matching versions