libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAM_Hi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, aborting the client or overwriting stack memory in NDEBUG builds.
History

Mon, 19 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Strophe
Strophe libstrophe
Vendors & Products Strophe
Strophe libstrophe

Sun, 18 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Description libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAM_Hi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, aborting the client or overwriting stack memory in NDEBUG builds.
Title libstrophe through 0.14.0 Stack-Based Buffer Overflow via SCRAM Salt in SCRAM_Hi
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H'}

cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-18T12:19:52.787Z

Updated: 2026-10-19T19:38:04.100Z

Reserved: 2026-10-18T12:00:08.233Z

Link: CVE-2026-112063

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-18T13:16:38.893

Modified: 2026-10-19T21:14:14.150

Link: CVE-2026-112063

cve-icon Redhat

No data.