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Fencer Intel
low 0.6

CVE-2026-116337 json

Uncontrolled resource consumption vulnerability in HTTP response handling of Qt Network impacts Qt Framework

published 3d ago modified 3d ago also EUVD-2026-119882

cvss
0.6
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

Uncontrolled resource consumption vulnerability in the Qt Framework HTTP response handling functionality of the Qt Network module.

Patch / fix

  • qt Qt Framework 6.8.10, 6.12.1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-116337 updated cvss 4.3

qt: Uncontrolled resource consumption vulnerability in HTTP response handling of Qt Network impacts Qt Framework

  • Red Hat Enterprise Linux 6 qt, qt-x11, qt-odbc, qt-demos, qt-mysql, qt-sqlite, +3 more Red Hat Enterprise Linux 7 qt, qt-x11, qt-odbc, qt-qvfb, qt-demos, qt-mysql, +14 more Red Hat Enterprise Linux 8 qt5-qtbase, qt5-qtbase-gui, qt5-qtbase-odbc, qt5-qtbase-mysql, qt5-qtbase-common, qt5-qtbase-examples, +1 more Red Hat Enterprise Linux 9 qt5-qtbase, qt5-qtbase-gui, qt5-qtbase-odbc, qt5-qtbase-mysql, qt5-qtbase-common, qt5-qtbase-examples, +1 more Red Hat Enterprise Linux 10 qt6-qtbase Red Hat Hardened Images qt5-qtbase, qt6-qtbase, qt6 6.12.0-1.hum1, qt5 5.15.18-3.1.hum1
    affected: workaround, no fix available “Ensure client applications only connect to trusted HTTP endpoints and restrict maximum allowed response headers and body buffer sizes in application network settings where supported.”
  • Red Hat Enterprise Linux 6 qt3, qt3-ODBC, qt3-MySQL, qt3-config, qt3-sqlite, qt3-designer, +1 more Red Hat Enterprise Linux 7 qt3, qt3-ODBC, qt3-MySQL, qt3-config, qt3-designer, qt3-PostgreSQL
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 4.0 0.6 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:U/R:U/RE:L/U:Green
CNA 4.0 0.6 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:X/RE:L/U:Green

Affected products

  • qt Qt Framework

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.