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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.
- 8.8HighCVSS base score
- 2.5%Exploitation in 30 daysEPSS · top 15% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
- 4 months later
· 4 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
n/a
- affected n/a
References
14
- DSA-4374 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://codereview.qt-project.org/#/c/236691/ (opens in a new tab)x_refsource_CONFIRMx_refsource_MISCx_transferred
- openSUSE-SU-2018:4261 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [debian-lts-announce] 20190103 [SECURITY] [DLA 1627-1] qtbase-opensource-src security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/ (opens in a new tab)x_refsource_CONFIRMx_refsource_MISCx_transferred
- [debian-lts-announce] 20190514 [SECURITY] [DLA 1786-1] qt4-x11 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4003-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2019:2135 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:3390 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2020:1452 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2020:1500 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2020:1501 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2020:1530 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [debian-lts-announce] 20200928 [SECURITY] [DLA 2377-1] qt4-x11 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-7395 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-15518)Record last updated .