{"id":"CVE-2026-112063","published":"2026-10-18T13:16:38.893","lastModified":"2026-10-18T13:16:38.893","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.","cvssScore":5.9,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","cwes":["CWE-121"],"vendors":[],"products":[],"references":[{"url":"https://github.com/strophe/libstrophe/blob/0.14.0/src/sasl.c","tags":[]},{"url":"https://github.com/strophe/libstrophe/blob/0.14.0/src/scram.c","tags":[]},{"url":"https://hackmd.io/@haindpwn/libstrophe-scram-salt-stack-overflow","tags":[]},{"url":"https://www.vulncheck.com/advisories/libstrophe-through-0.14.0-stack-based-buffer-overflow-via-scram-salt-in-scram-hi","tags":[]}],"exploitRefs":[{"url":"https://github.com/strophe/libstrophe/blob/0.14.0/src/sasl.c","tags":[]},{"url":"https://github.com/strophe/libstrophe/blob/0.14.0/src/scram.c","tags":[]}],"hasPoc":true,"ai":null}