Suricata sip: large SIP message bodies can evade detection with frame keyword

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-63449
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-18 21:17:04 UTC
Updated2026-09-18 21:17:04 UTC
DescriptionSuricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, the SIP parser in rust/src/sip/parser.rs stores request and response body lengths in 16-bit fields. A SIP body larger than 65,536 bytes can truncate the length and prevent frame:request.body or frame:response.body from exposing the complete body to inspection, allowing content in the omitted portion to evade frame-based detection. This issue is fixed in version 8.0.6.

Risk And Classification

Primary CVSS: v3.1 3.7 LOW from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.002450000 probability, percentile 0.160590000 (date 2026-09-19)

Problem Types: CWE-197 | CWE-197 CWE-197: Numeric Truncation Error

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA OISF Suricata affected >= 8.0.0, < 8.0.6 Not specified

References

ReferenceSourceLinkTags
github.com/OISF/suricata/commit/6f87930aff1e2294e46289cb9cbf4d96d79a209a [email protected] github.com
github.com/OISF/suricata/commit/499995bf0e5eab34b647ec1024ce65d72c411816 [email protected] github.com
github.com/OISF/suricata/security/advisories/GHSA-prqx-q74v-wxhv [email protected] github.com
github.com/OISF/suricata/releases/tag/suricata-8.0.6 [email protected] github.com
github.com/OISF/suricata/pull/15807 [email protected] github.com
redmine.openinfosecfoundation.org/issues/8582 [email protected] redmine.openinfosecfoundation.org
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