CVE-2026-101201: Qtbase opensource src gles · A malformed header in the binary file fed to
Affects qtbase-opensource-src-glesSource GCVE Database
Not known to be exploited · CVSS 4.3 Medium : update qtbase-opensource-src-gles when convenient.
Data as of 28 Oct 2026, 22:30 UTC
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/RE:L/U:AmberExploitation evidence
Disclosed: evidence found.
CVE published 20 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10qtbase-opensource-src-glespkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSqtbase-opensource-src-glespkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSqtbase-opensource-src-glespkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 22.04 LTSqtbase-opensource-src-glespkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=jammyOther threats | Affected
| Fixed in– |
Ubuntu 20.04 LTSqtbase-opensource-src-glespkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=focalOther threats | Affected
| Fixed in– |
Ubuntu 16.04 LTSqtbase-opensource-src-glespkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=xenialOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
A malformed header in the binary file fed to QBinaryJson::fromBinaryData() can cause undefined behaviour because of out-of-bounds read.
References
- ubuntu.com/security/CVE-2026-101201 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-101201 (opens in a new tab)
- github.com/qt/qt5compat/commit/721ed576391211ca53ecdaaecf6dd41df7bc962e (opens in a new tab)
- github.com/qt/qt5compat/commit/c0a495894d83a3c48055bd1e544f93147fc6ade1 (opens in a new tab)
- security-tracker.debian.org/tracker/cve-2026-101201 (opens in a new tab)
- wiki.qt.io/list_of_known_vulnerabilities_in_qt_products (opens in a new tab)
- advisory.echohq.com/cve/cve-2026-101201 (opens in a new tab)