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TI-2026-15710 Aliases CVE-2026-19248GHSA-j2w2-j66p-cjg6

Unbounded recursion vulnerability in the QDomNode destructor of Qt XML impacts Qt

Priority LOW 32CWE-674Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 11 fixed, 2 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-674.

Summary

QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00421 36th percentileScored 2026-11-07
Fix Partial Red Hat: 8 advisoriesRed Hat: 11 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
qtqt2.2.0 – 6.8.8; 6.9.0 – 6.11.1—No fix listedCNA
  • qt Vendorqt Affected 2.2.0 – 6.8.8; 6.9.0 – 6.11.1 Fixed in — No fix listed CNA

Remediation

Red Hat 8 advisories

  • RHSA-2026:95619 Released 2026-11-05 · Red Hat rating Important
    qt5-qtbase security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) qt5-qtbase-5.15.2-5.el8_6.2, qt5-qtbase-common-5.15.2-5.el8_6.2, qt5-qtbase-devel-5.15.2-5.el8_6.2 +6
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) qt5-qtbase-5.15.2-5.el8_6.2, qt5-qtbase-common-5.15.2-5.el8_6.2, qt5-qtbase-devel-5.15.2-5.el8_6.2 +6
  • RHSA-2026:95588 Released 2026-11-05 · Red Hat rating Important
    qt5-qtbase security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) qt5-qtbase-5.15.9-11.el9_4.2, qt5-qtbase-common-5.15.9-11.el9_4.2, qt5-qtbase-devel-5.15.9-11.el9_4.2 +6
  • RHSA-2026:95575 Released 2026-11-05 · Red Hat rating Important
    qt5-qtbase security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) qt5-qtbase-static-5.15.9-11.el9_6.2
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) qt5-qtbase-5.15.9-11.el9_6.2, qt5-qtbase-common-5.15.9-11.el9_6.2, qt5-qtbase-devel-5.15.9-11.el9_6.2 +6
Show 5 more Red Hat advisories
  • RHSA-2026:95574 Released 2026-11-05 · Red Hat rating Important
    qt5-qtbase security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) qt5-qtbase-5.15.3-2.el9_2.3, qt5-qtbase-common-5.15.3-2.el9_2.3, qt5-qtbase-devel-5.15.3-2.el9_2.3 +6
  • RHSA-2026:93924 Released 2026-11-02 · Red Hat rating Important
    qt5-qtbase security update
    • Red Hat Enterprise Linux AppStream (v. 8) qt5-qtbase-5.15.3-10.el8_10, qt5-qtbase-common-5.15.3-10.el8_10, qt5-qtbase-devel-5.15.3-10.el8_10 +6
    • Red Hat Enterprise Linux CRB (v. 8) qt5-qtbase-static-5.15.3-10.el8_10
  • RHSA-2026:87082 Released 2026-10-21 · Red Hat rating Important
    qt5-qtbase security update
    • Red Hat Enterprise Linux AppStream (v. 9) qt5-qtbase-5.15.9-11.el9_8.2, qt5-qtbase-common-5.15.9-11.el9_8.2, qt5-qtbase-devel-5.15.9-11.el9_8.2 +6
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) qt5-qtbase-static-5.15.9-11.el9_8.2
  • RHSA-2026:68801 Released 2026-09-18 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images qt5-qtbase-5.15.18-5.2.hum1@aarch64, qt5-qtbase-5.15.18-5.2.hum1@src, qt5-qtbase-5.15.18-5.2.hum1@x86_64 +22
  • RHSA-2026:59393 Released 2026-08-25 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images qt6-qtbase-6.11.2-2.hum1@aarch64, qt6-qtbase-6.11.2-2.hum1@src, qt6-qtbase-6.11.2-2.hum1@x86_64 +20

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:95575
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:93924
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:87082
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:95619
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:95574
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:95588
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:95575
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Fixed RHSA-2026:95619
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:93924
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:87082
Red Hat Hardened ImagesFixed RHSA-2026:59393, RHSA-2026:68801

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-19248
  2. 2026-10-03 Alias added: GHSA-j2w2-j66p-cjg6
  3. 2026-10-21 Fix available: RHSA-2026:87082 · Red Hat
  4. 2026-10-21 Fix available: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · Red Hat
  5. 2026-11-03 Fix available: RHSA-2026:93924 · Red Hat
  6. 2026-11-03 Fix available: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8) · Red Hat
  7. 2026-11-06 Fix available: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.9.2) +3 · Red Hat
  8. 2026-11-06 Fix available: RHSA-2026:95575 · Red Hat
  9. 2026-11-06 Fix available: RHSA-2026:95588 · Red Hat
  10. 2026-11-06 Fix available: RHSA-2026:95574 · Red Hat
  11. 2026-11-06 Fix available: RHSA-2026:95619 · Red Hat

References

Patch 1

  • TI-2024-23902 QAbstractOAuth in Qt Network Authorization in Qt before 5.15.17, 6.x before 6.2.13, 6.3.x… CVSS 3.1CRITICAL 9.8
  • TI-2022-21359 Heap-based buffer overflow in Qt CVSS 3.1HIGH 8.8
  • TI-2022-19524 Integer overflow in Qt CVSS 3.1HIGH 8.8
  • TI-2023-18997 In Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2, there can… CVSS 3.1HIGH 7.5
  • TI-2021-09305 Integer Overflow vulnerability in qsvghandler.cpp in Qt qtsvg versions 5.15.1, 6.0.0… CVSS 3.1MEDIUM 5.5
  • TI-2023-28356 An issue was discovered in the HTTP2 implementation in Qt before 5.15.17, 6.x before… CVSS 3.1CRITICAL 9.8
See all 106 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences