Description
SIPp through 3.7.7 contains a buffer overflow vulnerability in get_peer_tag() function when processing SIP To headers with tag parameters of 2049 bytes or more. Unauthenticated remote attackers can send crafted SIP messages with oversized tag parameters to overflow the static buffer and crash the process.
Published: 2026-09-13
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sun, 13 Sep 2026 11:45:00 +0000

Type Values Removed Values Added
Description SIPp through 3.7.7 contains a buffer overflow vulnerability in get_peer_tag() function when processing SIP To headers with tag parameters of 2049 bytes or more. Unauthenticated remote attackers can send crafted SIP messages with oversized tag parameters to overflow the static buffer and crash the process.
Title SIPp through 3.7.7 Buffer Overflow via SIP To Header Tag
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-13T11:42:27.756Z

Reserved: 2026-09-13T11:15:50.569Z

Link: CVE-2026-90778

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-13T12:17:16.837

Modified: 2026-09-13T12:17:16.837

Link: CVE-2026-90778

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses