VulnerabilityModified
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.
HIGH 8.8EPSS 2.50%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
QXmlStream in Qt 5.x before 5.11.3 has a double-free or corruption during parsing of a specially crafted illegal XML document.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.50% probability · 85th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- qt/qt · debian/debian linux · opensuse/leap
- Source
- cve@mitre.org
EPSS 2.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00066.htmlPatch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00057.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00071.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00090.html
- https://access.redhat.com/errata/RHSA-2019:2135
- https://access.redhat.com/errata/RHSA-2019:3390
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/Third Party Advisory
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/Third Party Advisory
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/Third Party Advisory
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/Third Party Advisory
- https://codereview.qt-project.org/#/c/236691/Patch, Third Party Advisory
- https://codereview.qt-project.org/#/c/236691/Patch, Third Party Advisory
- https://codereview.qt-project.org/#/c/236691/Patch, Third Party Advisory
- https://codereview.qt-project.org/#/c/236691/Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00004.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00014.html
- https://lists.debian.org/debian-lts-announce/2020/09/msg00023.html
- https://usn.ubuntu.com/4003-1/
- https://www.debian.org/security/2019/dsa-4374Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00066.htmlPatch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00057.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00071.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00090.html
- https://access.redhat.com/errata/RHSA-2019:2135
- https://access.redhat.com/errata/RHSA-2019:3390
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/Third Party Advisory
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/Third Party Advisory
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.