What’s Vulnerable › Vulnerabilities

CVE-2018-11504

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-05-26 · updated 2026-06-17
• Weakness: CWE-125

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.

Affected products

• Debian Linux: 8.0, 9.0
• Discount Project Discount: 2.2.3-a

References

• https://github.com/Orc/discount/issues/189#issuecomment-392247798
• https://lists.debian.org/debian-lts-announce/2018/09/msg00009.html
• https://www.debian.org/security/2018/dsa-4293
• https://github.com/Orc/discount/issues/189#issuecomment-392247798
• https://lists.debian.org/debian-lts-announce/2018/09/msg00009.html
• https://www.debian.org/security/2018/dsa-4293

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