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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.025 (84.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Qt
- Debian Linux — versions 8.0, 9.0
- openSUSE Leap — versions 42.3
Weakness classification (CWE)
References
- www.debian.org/security/2019/dsa-4374 (vendor-advisory, Third Party Advisory)
- codereview.qt-project.org/ (Patch, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2018-12/msg00066.html (vendor-advisory, Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/01/msg00004.html (mailing-list, Third Party Advisory)
- blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/05/msg00014.html (mailing-list)
- usn.ubuntu.com/4003-1/ (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2135 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:3390 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00057.html (vendor-advisory)
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.