Debian Linux - rsyslog - None

Ubuntu Linux - mmpstrucdata stack buffer overflow with oversized RFC5424 structured data

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3518-1 advisory.

    - CVE-2026-61548: crafted RFC 5424 messages to mmpstrucdata can lead to a stack overwrite (bsc#1272414).
    - input sequence during oversize-frame recovery in imptcp can cause denial of service (bsc#1271910).

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 openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21535-1 advisory.

    - CVE-2026-61548: crafted RFC 5424 messages to mmpstrucdata can lead to a stack overwrite (bsc#1272414).
    - input sequence during oversize-frame recovery in imptcp can cause denial of service (bsc#1271910).

    Changes for rsyslog:

    - added a devel subpackage, with requires (bsc#1264721)

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 SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:3498-1 advisory.

    - CVE-2026-61548: parsing of crafted RFC 5424 messages in `mmpstrucdata` can lead to a stack buffer     overflow       (bsc#1272414).
    - Configuration-dependent issue in the optional `imptcp` input module can allow an unauthenticated remote     peer to crash       `rsyslogd` (bsc#1271910).

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 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3478-1 advisory.

    - CVE-2026-61548: parsing of crafted RFC 5424 messages in `mmpstrucdata` can lead to a stack buffer     overflow       (bsc#1272414).
    - Configuration-dependent issue in the optional `imptcp` input module can allow an unauthenticated remote     peer to crash       `rsyslogd` (bsc#1271910).

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 SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3442-1 advisory.

    This update for rsyslog fixes the following issue:

    - CVE-2026-61548: parsing of crafted RFC 5424 messages in `mmpstrucdata` can lead to a stack buffer     overflow       (bsc#1272414).

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.

  - Debian Linux - rsyslog - None  Ubuntu Linux - mmpstrucdata stack buffer overflow with oversized RFC5424     structured data (CVE-2026-61548)

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

ID	Name	Product	Family	Type	Severity
333283	SUSE SLES15: rsyslog / rsyslog-module-gssapi / rsyslog-module-gtls / etc (SUSE-SU-2026:3518-1)	Nessus	SuSE Local Security Checks	Local	high
333270	openSUSE 16: rsyslog / rsyslog-devel / rsyslog-diag-tools / etc (openSUSE-SU-2026:21535-1)	Nessus	SuSE Local Security Checks	Local	high
333025	SUSE SLES12: rsyslog / rsyslog-diag-tools / rsyslog-doc / rsyslog-module-gssapi / etc (SUSE-SU-2026:3498-1)	Nessus	SuSE Local Security Checks	Local	high
332131	SUSE SLED15: rsyslog / rsyslog-module-gssapi / rsyslog-module-gtls / etc (SUSE-SU-2026:3478-1)	Nessus	SuSE Local Security Checks	Local	high
331843	SUSE SLES15: rsyslog / rsyslog-module-gssapi / rsyslog-module-gtls / etc (SUSE-SU-2026:3442-1)	Nessus	SuSE Local Security Checks	Local	high
329553	Linux Distros Unpatched Vulnerability : CVE-2026-61548	Nessus	Misc.	Local	high

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CVE-2026-61548

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