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Public proof of conceptFix available

CVE-2023-37369

A public proof of concept exists; no exploitation attested.

  • Published2023-08-20
  • Fixed in6.5.2 · 6.2.9 · 5.15.15

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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 be an application crash in QXmlStreamReader via a crafted XML string that triggers a situation in which a prefix is greater than a length.

Timeline

dates in UTC
  1. 2023-08-2007:15CVE publishedNVD

Versions per branch

NVD
Qt
BranchAffectedFixed in
6.x≥ 6.3.0, < 6.5.26.5.2
6.x≥ 6.0.0, < 6.2.96.2.9
5.15< 5.15.155.15.15
Debian debian linux
BranchAffectedFixed in
10.0= 10.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • adwaita-qtRocky Linux:9all versions · fixed in 0:1.4.2-1.el9
  • libqt4SUSE:Linux Enterprise Workstation Extension 12 SP5all versions · fixed in 4.8.7-8.19.1and 1 other package
  • libqt4SUSE:Linux Enterprise Software Development Kit 12 SP5all versions · fixed in 4.8.7-8.19.1and 2 other packages
  • libqt4SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5all versions · fixed in 4.8.7-8.22.1and 2 other packages
  • libqt4SUSE:Linux Enterprise Server for SAP Applications 12 SP5all versions · fixed in 4.8.7-8.19.1and 2 other packages
  • libqt4SUSE:Linux Enterprise Server 12 SP5all versions · fixed in 4.8.7-8.19.1and 2 other packages
  • libqt5-qtbaseSUSE:Linux Enterprise Server for SAP Applications 15 SP3all versions · fixed in 5.12.7-150200.4.29.1
  • libqt5-qtbaseSUSE:Linux Enterprise Server for SAP Applications 15 SP2all versions · fixed in 5.12.7-150200.4.29.1

60 more package ranges on OSV.dev

Vendor advisories

  • CVE-2023-37369 Red Hat Product Security368 products fixed · 12 known affected

    qtbase: buffer overflow in QXmlStreamReader

    qt5-qtbase as a component of Red Hat Enterprise Linux 7 · qt5-qtbase-common as a component of Red Hat Enterprise Linux 7 · qt5-qtbase-devel as a component of Red Hat Enterprise Linux 7 · +9 more

  • RHSA-2023:6967 Red Hat Product Security137 products fixed

    Red Hat Security Advisory: qt5-qtbase security update

  • RHSA-2023:6369 Red Hat Product Security137 products fixed

    Red Hat Security Advisory: qt5 security and bug fix update

Full record on NVD

Fix

  1. Update Qt to 6.5.2 · 6.2.9 · 5.15.15
  2. Vendor fix Red Hat Product Security RHSA-2023:6967 · 137 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. No fix planned, says the vendor Red Hat Product Security CVE-2023-37369 · 12 productsOut of support scope

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2023-08-20
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-h6px-w542-49xj

Frequently asked questions

What is CVE-2023-37369?

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 be an application crash in QXmlStreamReader via a crafted XML string that triggers a situation in which a prefix is greater than a length.

Is CVE-2023-37369 actively exploited?

A proof-of-concept exploit exists for CVE-2023-37369, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-37369?

CVE-2023-37369 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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