CVE-2018-18662 : There is an out-of-bounds read in fz_run_t3

There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0, as demonstrated by mutool.

Published 2018-10-26 14:29:03

Updated 2024-09-12 17:15:04

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2018-18662

Artifex » Mupdf » Version: 1.14.0
cpe:2.3:a:artifex:mupdf:1.14.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.29%

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

~ 69 %

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

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

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://bugs.ghostscript.com/show_bug.cgi?id=700043

700043 – there is a out-of-bound-read bug in font.c:1398
Exploit;Third Party Advisory
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=164ddc22ee0d5b63a81d5148f44c37dd132a9356

mupdf.git - MuPDF library
http://www.securityfocus.com/bid/105755

Artifex MuPDF CVE-2018-18662 Denial of Service Vulnerability
Third Party Advisory;VDB Entry
https://github.com/TeamSeri0us/pocs/tree/master/mupdf

pocs/mupdf at master · TeamSeri0us/pocs · GitHub
Exploit;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html

[SECURITY] [DLA 2289-1] mupdf security update

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