CVE-2018-12495

Name: CVE-2018-12495
Creator: NVD / NIST
Published: 2018-06-15T18:29:00.433+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.79%

Last modified Jun 17, 2026

CVE-2018-12495 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.79% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.79%

75.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions	Update
Discount Project	Discount	2.2.3	A
Debian	Debian Linux	8.0	—
Debian	Debian Linux	9.0	—

References

https://github.com/Orc/discount/issues/189#issuecomment-397541501Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00009.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2018/dsa-4293Third Party Advisory
https://github.com/Orc/discount/issues/189#issuecomment-397541501Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00009.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2018/dsa-4293Third Party Advisory

Timeline

Published: Jun 15, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-12495?

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.

How severe is CVE-2018-12495?

Severity scoring for CVE-2018-12495 is pending analysis. The EPSS model estimates a 1.79% probability of exploitation in the next 30 days.

How do I fix CVE-2018-12495?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-12495?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST