There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Multidict is an implementation of a multidict data structure. From 6.7.0 until 6.9.1, the C extension's
    items-view reflected union operation, operand | d.items(), in multidict_itemsview_or2_impl and subtraction
    operation, d.items() - operand, in multidict_itemsview_sub1_impl fail to release new key-identity and
    value references returned for each operand element. Applications that perform these operations over
    attacker-influenced sequences can leak two strong references per element, and garbage collection cannot
    reclaim them, so repeated operations can cause unbounded process memory growth and denial of service.
    Forward union, intersection, non-tuple operand elements, and pure-Python builds are not affected by this
    reference leak. This issue is fixed in version 6.9.1. (CVE-2026-104874)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-604898 advisory.

    [2.187.0-1.0.5]
    - Fix multiple CVEs in pyjwt, aiohttp, pyOpenSSL, multidict

Tenable has extracted the preceding description block directly from the Oracle Linux 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.

  - Multidict is an implementation of a multidict data structure. From 6.7.0 until 6.9.1, the C extension's     items-view reflected union operation, operand | d.items(), in multidict_itemsview_or2_impl and subtraction     operation, d.items() - operand, in multidict_itemsview_sub1_impl fail to release new key-identity and     value references returned for each operand element. Applications that perform these operations over     attacker-influenced sequences can leak two strong references per element, and garbage collection cannot     reclaim them, so repeated operations can cause unbounded process memory growth and denial of service.
    Forward union, intersection, non-tuple operand elements, and pure-Python builds are not affected by this     reference leak. This issue is fixed in version 6.9.1. (CVE-2026-104874)

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

ID	Name	Product	Family	Published	Updated	Severity
472973	SCA: security update for multidict (GHSA-54p9-h82j-f925)	Tenable Cloud Security	SCA Checks	10/6/2026	10/6/2026	medium
472973	SCA: security update for multidict (GHSA-54p9-h82j-f925)	Tenable Self-Hosted Container Security	SCA Checks	10/6/2026	10/6/2026	medium
473546	Echo: multidict: security update to 6.9.1	Tenable Cloud Security	Echo Local Security Checks	10/7/2026	10/13/2026	medium
473546	Echo: multidict: security update to 6.9.1	Tenable Self-Hosted Container Security	Echo Local Security Checks	10/7/2026	10/13/2026	medium
370504	Oracle Linux 9 : python-oci-sdk (ELSA-2026-604898)	Nessus	Oracle Linux Local Security Checks	10/22/2026	10/22/2026	high
362959	Linux Distros Unpatched Vulnerability : CVE-2026-104874	Nessus	Misc.	10/5/2026	10/5/2026	medium

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