Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.

vendor_unpatched cve-2025-29917: Unpatched CVEs for Debian Linux (cve-2025-29917)

The remote Fedora 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-5fa61dc843 advisory.

    This is an extra release to address a critical issue in 7.0.9 affecting AF_PACKET users: setting a BPF     would cause Suricata to fail to start up. This has been fixed.

    ----

    Various security, performance, accuracy, and stability issues have been fixed. LibHTP has been updated to     version 0.5.50 which is bundled with this new release. This fixes:

    CVE-2025-29915: HIGH     CVE-2025-29917: HIGH     CVE-2025-29918: HIGH     CVE-2025-29916: Moderate

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 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-2a295896e6 advisory.

    This is an extra release to address a critical issue in 7.0.9 affecting AF_PACKET users: setting a BPF     would cause Suricata to fail to start up. This has been fixed.

    ----

    Various security, performance, accuracy, and stability issues have been fixed. LibHTP has been updated to     version 0.5.50 which is bundled with this new release. This fixes:

    CVE-2025-29915: HIGH     CVE-2025-29917: HIGH     CVE-2025-29918: HIGH     CVE-2025-29916: Moderate

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 version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 1d53db32-0d60-11f0-8542-b42e991fc52e advisory.

    Suricate team reports:
    Multiple vulnerabilities     These CVEs have been reserved and no details have been yet provided.

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

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

ID	Name	Product	Family	Severity
233809	Fedora 41 : suricata (2025-5fa61dc843)	Nessus	Fedora Local Security Checks	critical
233807	Fedora 40 : suricata (2025-2a295896e6)	Nessus	Fedora Local Security Checks	critical
233787	FreeBSD : suricata -- Multiple vulnerabilities (1d53db32-0d60-11f0-8542-b42e991fc52e)	Nessus	FreeBSD Local Security Checks	critical

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CVE-2025-29917

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