CVE-2018-12495

MEDIUM

DISCOUNT 2.2.3a - Heap-Based Buffer Over-Read

Title source: llm
STIX 2.1

Description

The quoteblock function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted file.

References (3)

Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/Orc/discount/issues/189#issuecomment-397541501
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/09/msg00009.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4293

Scores

CVSS v3 5.5
EPSS 0.0054
EPSS Percentile 67.7%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-125
Status published
Products (3)
debian/debian_linux 8.0
debian/debian_linux 9.0
discount_project/discount 2.2.3 a
Published Jun 15, 2018
Tracked Since Feb 18, 2026