Medium severity5.9NVD Advisory· Published Jan 12, 2017· Updated Jun 17, 2026
CVE-2016-10027
CVE-2016-10027
Description
Race condition in the XMPP library in Smack before 4.1.9, when the SecurityMode.required TLS setting has been set, allows man-in-the-middle attackers to bypass TLS protections and trigger use of cleartext for client authentication by stripping the "starttls" feature from a server response.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.igniterealtime.smack:smack-coreMaven | < 4.1.9 | 4.1.9 |
Affected products
3- cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
11- www.openwall.com/lists/oss-security/2016/12/22/12nvdMailing ListPatchThird Party AdvisoryWEB
- github.com/igniterealtime/Smack/commit/059ee99ba0d5ff7758829acf5a9aeede09ec820bnvdPatchThird Party AdvisoryWEB
- github.com/igniterealtime/Smack/commit/a9d5cd4a611f47123f9561bc5a81a4555fe7cb04nvdPatchThird Party AdvisoryWEB
- www.securityfocus.com/bid/95129nvdThird Party AdvisoryVDB Entry
- community.igniterealtime.org/blogs/ignite/2016/11/22/smack-security-advisory-2016-11-22nvdVendor AdvisoryWEB
- github.com/advisories/GHSA-66pq-hqv5-228gghsaADVISORY
- issues.igniterealtime.org/projects/SMACK/issues/SMACK-739nvdIssue TrackingVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2016-10027ghsaADVISORY
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4WXAZ4JVJXHMEDDXJVWJHPVBF5QCTZFghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J4WXAZ4JVJXHMEDDXJVWJHPVBF5QCTZFghsaWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4WXAZ4JVJXHMEDDXJVWJHPVBF5QCTZF/nvd
News mentions
0No linked articles in our index yet.