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CVE-2018-11503

Date: May 26, 2018

The isfootnote 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.

Language: C

Severity Score

Related Resources (8)

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://access.redhat.com/security/cve/CVE-2018-11503
https://nvd.nist.gov/vuln/detail/CVE-2018-11503
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-11503
https://security-tracker.debian.org/tracker/CVE-2018-11503
https://www.mend.io/vulnerability-database/CVE-2018-11503

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Read

CWE-125

CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH
Additional information:

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