XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes. The parserc_parse function never advances the attribute-parse state cursor on certain malformed attribute forms, looping forever. Nameless attributes such as "<a ='c'>" or unbalanced quotes "<a b='''''''c'>" can trigger this condition.

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-3a2db4368a advisory.

    XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes.
    This packages fixes this issue.

    Fixes CVE-2026-57074 and CVE-2026-13401.

Tenable has extracted the preceding description block directly from the Fedora 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 remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-14e358a2a2 advisory.

    XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes.
    This packages fixes this issue.

    Fixes CVE-2026-57074 and CVE-2026-13401.

Tenable has extracted the preceding description block directly from the Fedora 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 remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-5c3f4c8337 advisory.

    XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes.
    This packages fixes this issue.

    Fixes CVE-2026-57074 and CVE-2026-13401.

Tenable has extracted the preceding description block directly from the Fedora 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 remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3403-1 advisory.

    This update for perl-XML-Bare fixes the following issues

    - CVE-2026-13401: infinite loop when parsing malformed attributes in `parserc_parse` function     (bsc#1271640).
    - CVE-2026-57074: out-of-bounds read due to unbounded character lookahead in the `parserc_parse` function       (bsc#1271637).

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 remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21435-1 advisory.

    Changes in perl-XML-Bare:

    - CVE-2026-13401: XML:Bare would hang when parsing malformed attributes (bsc#1271640)
    - CVE-2026-57074: Fixed unbounded character lookahead (bsc#1271637)

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.

  - XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes.
    The parserc_parse function never advances the attribute-parse state cursor on certain malformed attribute     forms, looping forever. Nameless attributes such as <a ='c'> or unbalanced quotes <a b='''''''c'> can     trigger this condition. (CVE-2026-13401)

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

ID	Name	Product	Family	Type	Severity
344871	Fedora 45 : perl-XML-Bare (2026-3a2db4368a)	Nessus	Fedora Local Security Checks	Local	critical
343794	Fedora 43 : perl-XML-Bare (2026-14e358a2a2)	Nessus	Fedora Local Security Checks	Local	critical
343790	Fedora 44 : perl-XML-Bare (2026-5c3f4c8337)	Nessus	Fedora Local Security Checks	Local	critical
331430	SUSE SLED15 / SLES15 Security Update : perl-XML-Bare (SUSE-SU-2026:3403-1)	Nessus	SuSE Local Security Checks	Local	critical
329517	openSUSE 16 Security Update : perl-XML-Bare (openSUSE-SU-2026:21435-1)	Nessus	SuSE Local Security Checks	Local	critical
327474	Linux Distros Unpatched Vulnerability : CVE-2026-13401	Nessus	Misc.	Local	high

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CVE-2026-13401

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Tenable Plugins

critical

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critical

high