The wmf_malloc function in api.c in libwmf 0.2.8.4 allows remote attackers to cause a denial of service (application crash) via a crafted wmf file, which triggers a memory allocation failure.
Conclusion & alert: CVE-2016-9011 is rated Moderate Risk (44.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.47%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-07-12 | 0.11% | 0.47% | +0.36% |
| 2 | 2025-05-10 | 0.30% | 0.11% | -0.19% |
| 3 | 2025-05-09 | — | 0.30% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-9011 not yet assigned priority: Debian including 1 source packages (libwmf), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-9011 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-9011 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2016-9011/ |
ubuntu
|
low | CVE-2016-9011 low priority: Ubuntu including 1 source packages (libwmf), 23 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 16, ignored 4, DNE 1, needed 1, released 1. | https://ubuntu.com/security/CVE-2016-9011 |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/10/25/1 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/93860 | Third Party Advisory VDB Entry |
| https://blogs.gentoo.org/ago/2016/10/18/libwmf-memory-allocation-failure-in-wmf_malloc-api-c | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=1388450 | Issue Tracking |