CVE-2018-20861 — libopenmpt before 0

libopenmpt before 0.3.11 allows a crash with certain malformed custom tunings in MPTM files.

01What is this vulnerability?

libopenmpt before 0.3.11 allows a crash with certain malformed custom tunings in MPTM files.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-07-30T18:32:13.000Z
• Last modified: 2024-08-05T12:12:28.628Z

09References

• lib.openmpt.org — https://lib.openmpt.org/libopenmpt/2018/07/28/security-updates-0.3.11-0.2.10635-…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00085.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00084.html