Stack-based buffer overflow in QXmlSimpleReader in Qt 4.8.5 allows remote attackers to cause a denial of service (application crash) via a xml file with multiple nested open tags.
Conclusion & alert: CVE-2016-10040 is rated High Exploit Risk (60.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.62%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-02-26 | 1.07% | 0.62% | -0.45% |
| 2 | 2026-02-01 | 0.82% | 1.07% | +0.25% |
| 3 | 2025-10-21 | — | 0.82% | — |
Full EPSS history (14 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-2016-10040 not yet assigned priority: Debian including 1 source packages (qtbase-opensource-src), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-10040 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-10040 |
suse
|
low | CVE-2016-10040 severity low: SUSE including 58 source package names (libQtWebKit-devel-4.8.7+2.3.4-4.5.1, libQtWebKit-devel-4.8.7+2.3.4-4.7.2, …), 177 product×package rows across 15 product lines (SUSE Linux Enterprise Desktop 12 SP3, SUSE Linux Enterprise Desktop 12 SP4, … (15 product lines)): Fixed 177. | https://www.suse.com/security/cve/CVE-2016-10040/ |
ubuntu
|
low | CVE-2016-10040 low priority: Ubuntu including 2 source packages (qt4-x11, qtbase-opensource-src), 46 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 22, DNE 14, ignored 7, needed 1, needs-triage 1, released 1. | https://ubuntu.com/security/CVE-2016-10040 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| qt | qxmlsimplereader | 4.8.5 | cpe:2.3:a:qt:qxmlsimplereader:4.8.5:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/12/24/2 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2017/01/14/4 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/95113 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=1409597 | Exploit Issue Tracking Patch Third Party Advisory VDB Entry |