Out-of-bounds Read in Md4c Project

CVE-2018-11547

md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because md_is_link_label mishandles loop termination.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Md4c_project Md4c — versions 0.2.5
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-11547?: CVE-2018-11547 is a critical-severity vulnerability in Md4c Project, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2018-05-29.
How severe is CVE-2018-11547?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-11547 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.