Double Free in Qt

CVE-2018-15518

QXmlStream in Qt 5.x before 5.11.3 has a double-free or corruption during parsing of a specially crafted illegal XML document.

Vulnerability class: Double Free

EPSS: 0.025 (82.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-15518?
CVE-2018-15518 is a high-severity vulnerability in Qt, classified under Double Free. CVSS score: 8.8/10. Published 2018-12-26.
How severe is CVE-2018-15518?
High severity. CVSS v3 base score is 8.8 out of 10.