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No exploitation reportedFix available

CVE-2018-11536

No exploitation reported by the sources we read.

  • Published2018-05-29
  • Fixed in0.2.5
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

md4c before 0.2.5 has a heap-based buffer overflow because md_split_simple_pairing_mark mishandles splits.

Timeline

dates in UTC
  1. 2018-05-2907:29CVE publishedNVD

Versions per branch

NVD
Md4c project md4c
BranchAffectedFixed in
0.2< 0.2.50.2.5

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Md4c project md4c to 0.2.5

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2018-05-29
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-294r-4892-r6wr

Frequently asked questions

What is CVE-2018-11536?

md4c before 0.2.5 has a heap-based buffer overflow because md_split_simple_pairing_mark mishandles splits.

Is CVE-2018-11536 actively exploited?

Active exploitation of CVE-2018-11536 has not been confirmed. Its EPSS score was 1.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-11536?

CVE-2018-11536 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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