Resource Exhaustion Affecting suricata package, versions <1:7.0.10-1+deb13u3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published11 Sept 2026
- disclosed27 Jan 2026
Introduced: 27 Jan 2026
CVE-2026-22258 (opens in a new tab)How to fix?
Upgrade Echo:latest suricata to version 1:7.0.10-1+deb13u3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream suricata package and not the suricata package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, crafted DCERPC traffic can cause Suricata to expand a buffer w/o limits, leading to memory exhaustion and the process getting killed. While reported for DCERPC over UDP, it is believed that DCERPC over TCP and SMB are also vulnerable. DCERPC/TCP in the default configuration should not be vulnerable as the default stream depth is limited to 1MiB. Versions 8.0.3 and 7.0.14 contain a patch. Some workarounds are available. For DCERPC/UDP, disable the parser. For DCERPC/TCP, the stream.reassembly.depth setting will limit the amount of data that can be buffered. For DCERPC/SMB, the stream.reassembly.depth can be used as well, but is set to unlimited by default. Imposing a limit here may lead to loss of visibility in SMB.
References
- https://advisory.echohq.com/cve/CVE-2026-22258
- https://github.com/OISF/suricata/commit/39d8c302af3422a096b75474a4f295a754ec6a74
- https://github.com/OISF/suricata/commit/f82a388d0283725cb76782cf64e8341cab370830
- https://github.com/OISF/suricata/security/advisories/GHSA-289c-h599-3xcx
- https://redmine.openinfosecfoundation.org/issues/8182