A denial-of-service (DoS) vulnerability exists in google.protobuf.json_format.ParseDict() in Python, where the max_recursion_depth limit can be bypassed when parsing nested google.protobuf.Any messages. Due to missing recursion depth accounting inside the internal Any-handling logic, an attacker can supply deeply nested Any structures that bypass the intended recursion limit, eventually exhausting Python’s recursion stack and causing a RecursionError.

suse_linux SUSE-SU-2026:0563-1: SUSE SLES15 : Security update for protobuf (Moderate) (SUSE-SU-2026:0563-1)

The remote SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:0517-1 advisory.

    - CVE-2026-0994: Fixed google.protobuf.Any recursion depth bypass in Python json_format.ParseDict     (bsc#1257173).

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

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

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:0374-1 advisory.

    - CVE-2026-0994: Fixed google.protobuf.Any recursion depth bypass in Python json_format.ParseDict     (bsc#1257173).

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

Note that Nessus has not tested for this issue 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.

  - A denial-of-service (DoS) vulnerability exists in google.protobuf.json_format.ParseDict() in Python, where     the max_recursion_depth limit can be bypassed when parsing nested google.protobuf.Any messages. Due to     missing recursion depth accounting inside the internal Any-handling logic, an attacker can supply deeply     nested Any structures that bypass the intended recursion limit, eventually exhausting Python's recursion     stack and causing a RecursionError. (CVE-2026-0994)

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

ID	Name	Product	Family	Severity
299255	SUSE SLES15 Security Update : protobuf (SUSE-SU-2026:0517-1)	Nessus	SuSE Local Security Checks	high
297975	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : protobuf (SUSE-SU-2026:0374-1)	Nessus	SuSE Local Security Checks	high
296422	Linux Distros Unpatched Vulnerability : CVE-2026-0994	Nessus	Misc.	high

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