Security readout for executives and security teams
MCabber versions before 1.0.4 can mishandle malicious XMPP roster pushes. An attacker could add themselves to a victim’s roster as another user and potentially intercept communications or gain roster-based privileges. This matters most where MCabber is used for sensitive internal messaging. Exposure is limited to systems or users running MCabber before 1.0.4, especially Linux distribution packages that remained unpatched. Organizations not using MCabber or XMPP clients based on this affected code path are unlikely to be exposed. Treat as a targeted confidentiality risk, not an internet-scale emergency. Prioritize remediation where MCabber supports sensitive communications, regulated data handling, or privileged operational chat workflows. Otherwise, fold into legacy package cleanup. Mitigation focus: Upgrade MCabber to 1.0.4 or later.; Apply Debian, Ubuntu, openSUSE, or other vendor security updates where applicable.; Identify and retire unsupported MCabber packages..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-9928 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
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- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.redhat.com/show_bug.cgi?id=1403790CVE reference · x_refsource_CONFIRM
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845258CVE reference · x_refsource_CONFIRM
- https://bitbucket.org/McKael/mcabber-crew/commits/6e1ead98930d7dd0a520ad17c720ae4908429033/rawCVE reference · x_refsource_CONFIRM
- https://gultsch.de/gajim_roster_push_and_message_interception.htmlCVE reference · x_refsource_MISC
- [debian-lts-announce] 20200628 [SECURITY] [DLA 2260-1] mcabber security updateCVE reference · mailing-list, x_refsource_MLIST
- USN-4506-1CVE reference · vendor-advisory, x_refsource_UBUNTU
Products and packages named in the record
CWE details
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