| Name | CVE-2026-45765 |
| Description | Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, DNP3 reassembly could buffer data without sufficient parser-level bounds. Crafted DNP3 traffic may cause Suricata to consume excessive memory, potentially resulting in denial of service. Versions 7.0.16 and 8.0.5 contain a fix. As a workaround, disable DNP3 (which is not enabled by default) if it is not needed, and/or define a limited `stream.reassembly.depth` (0 or absent is unlimited). |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| suricata (PTS) | trixie | 1:7.0.10-1+deb13u4 | vulnerable |
| forky, sid | 1:8.0.6-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| suricata | source | (unstable) | 1:8.0.5-1 |
https://github.com/OISF/suricata/security/advisories/GHSA-m8x4-c78g-r4vj
https://redmine.openinfosecfoundation.org/issues/8462 (suricata-7.0.16)
https://redmine.openinfosecfoundation.org/issues/8461 (suricata-8.0.5)
https://github.com/OISF/suricata/commit/8c807a86c9335de2434c675787e3fab8f5b114d2 (suricata-7.0.16)
https://github.com/OISF/suricata/commit/71210ab1a841b2697047236b873643b51b03558f (suricata-7.0.16)
https://github.com/OISF/suricata/commit/a1de91bf92e8adc1db4d55641c0b2ce2beecc2e4 (suricata-7.0.16)
https://github.com/OISF/suricata/commit/2a4947f0c0791b38b951b4140cb49bb814945045 (suricata-8.0.5)
https://github.com/OISF/suricata/commit/d869f782f737515a0c406bbb86a91d5ff626f3e1 (suricata-8.0.5)
https://github.com/OISF/suricata/commit/d62b7cd98054ab03156e7ce2cac15166b46ab391 (suricata-8.0.5)