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CVE-2018-11504

discount: Heap-based buffer-overflow in markdown.c:islist() allows for denial of service

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Severity

Low

Red Hat Product Security

4.4

CVSS 3.0

Review impact separately from score.

Published · May 26, 2018

Updated · November 22, 2025

Description

The islist 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, as demonstrated by mkd2html.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.4
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

CWE-122 · Heap-based Buffer Overflow