encodeText in QDom in Qt before 6.8.0 has a complex algorithm involving XML string copy and inline replacement of parts of a string (with relocation of later data).

suse_linux SUSE-SU-2025:03599-1: SUSE openSUSE 15 : Security update for qt6-base (Moderate) (SUSE-SU-2025:03599-1)

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3723-1 advisory.

    Security issues fixed:

    - CVE-2025-5455: processing of malformed data in `qDecodeDataUrl()` can trigger assertion and cause a     crash       (bsc#1243958).
    - CVE-2025-30348: complex algorithm used in `encodeText` in QDom when processing XML data can cause low     performance       (bsc#1239896).

    Other issues fixed:

    - Initialize a member variable in `QObjectPrivate::Signal` that was uninitialized under some     circumstances.
    - Fix a crash when parsing a particular glyph in a particular font.
    - Avoid repeatedly registering xsettings callbacks when switching cursor themes.
    - Check validity of RandR output info before using it.
    - Fix reparenting a window so it takes effect even if there are no other state changes to the window.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - encodeText in QDom in Qt before 6.8.0 has a complex algorithm involving XML string copy and inline     replacement of parts of a string (with relocation of later data). (CVE-2025-30348)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of qt5-qtbase / qtbase installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-30348 advisory.

  - encodeText in QDom in Qt before 6.8.0 has a complex algorithm involving XML string copy and inline     replacement of parts of a string (with relocation of later data). (CVE-2025-30348)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of qt5-qtbase / qtbase installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-30348 advisory.

  - encodeText in QDom in Qt before 6.8.0 has a complex algorithm involving XML string copy and inline     replacement of parts of a string (with relocation of later data). (CVE-2025-30348)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
271225	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libqt5-qtbase (SUSE-SU-2025:3723-1)	Nessus	SuSE Local Security Checks	high
247154	Linux Distros Unpatched Vulnerability : CVE-2025-30348	Nessus	Misc.	medium
241932	Azure Linux 3.0 Security Update: qt5-qtbase / qtbase (CVE-2025-30348)	Nessus	Azure Linux Local Security Checks	medium
241919	CBL Mariner 2.0 Security Update: qt5-qtbase / qtbase (CVE-2025-30348)	Nessus	MarinerOS Local Security Checks	medium

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