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CVE-2016-9928

MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to...

7.4 HighFix available

MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to intercept communications, or add themselves as an entity on a 3rd party's roster as another user, which will also garner associated privileges, via crafted XMPP packets.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

4.51%Up 2.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.4

MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to intercept communications, or add themselves as an entity on a 3rd party's roster as another user, which will also garner associated privileges, via crafted XMPP packets.

Record
CVE-2016-9928
CVSS 3.1
7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0
5.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness
CWE-269
Updated
2026-11-02
CVE List No score

MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to intercept communications, or add themselves as an entity on a 3rd party's roster as another user, which will also garner associated privileges, via crafted XMPP packets.

Record
CVE-2016-9928
Updated
2026-11-02
EUVDEUVD-2016-10715 No score

MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to intercept communications, or add themselves as an entity on a 3rd party's roster as another user, which will also garner associated privileges, via crafted XMPP packets.

Record
EUVD-2016-10715
Updated
2026-11-03
GitHub AdvisoriesGHSA-q477-8j82-fjq4 No score

MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to...

MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to intercept communications, or add themselves as an entity on a 3rd party's roster as another user, which will also garner associated privileges, via crafted XMPP packets.

Record
GHSA-q477-8j82-fjq4
Weakness
CWE-269
Updated
2026-11-02
OSV 7.4

MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to intercept communications, or add themselves as an entity on a 3rd party's roster as another user, which will also garner associated privileges, via crafted XMPP packets.

Record
CVE-2016-9928
CVSS 3.1
7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2016-9928 7.4

MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to intercept communications, or add themselves as an entity on a 3rd party's roster as another user, which will also garner associated privileges, via crafted XMPP packets.

Record
DEBIAN-CVE-2016-9928
CVSS 3.1
7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
Show 5 moreShow less
OSVUBUNTU-CVE-2016-9928 7.4

MCabber before 1.0.4 is vulnerable to roster push attacks, which allows remote attackers to intercept communications, or add themselves as an entity on a 3rd party's roster as another user, which will also garner associated privileges, via crafted XMPP packets.

Record
UBUNTU-CVE-2016-9928
CVSS 3.1
7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVMGASA-2016-0433 No score

Updated mcabber packages fix security vulnerability

It was discovered that there was a "roster push attack" vulnerability in mcabber, a console-based Jabber (XMPP) client. A remote attacker can modify the roster and intercept messages via a crafted roster-push IQ stanza (CVE-2016-9928).

Record
MGASA-2016-0433
Updated
2026-11-02
OSVopenSUSE-SU-2024:10979-1 No score

libqxmpp-devel-1.4.0-1.2 on GA media

These are all security issues fixed in the libqxmpp-devel-1.4.0-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10979-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:11142-1 No score

libQXmppQt6-10-1.16.1-1.1 on GA media

These are all security issues fixed in the libQXmppQt6-10-1.16.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11142-1
Updated
2026-11-02
OSVUSN-4506-1 No score

mcabber vulnerability

It was discovered that MCabber does not properly manage roster pushes. An attacker could possibly use this issue to remotely perform machine-in-the-middle attacks. (CVE-2016-9928).

Record
USN-4506-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mcabber
Debian:12
 before 0.10.2-1.1
0.10.2-1.1
mcabber
Debian:13
 before 0.10.2-1.1
0.10.2-1.1
mcabber
Debian:8
 before 0.10.2-1+deb8u1, plus listed versions
0.10.2-1
0.10.2-1+deb8u1
mcabber
Debian:7
 before 0.10.1-3+deb7u1, plus listed versions
0.10.1-3
0.10.1-3+deb7u1
mcabber
Mageia:5
 before 0.10.1-9.1.mga5
0.10.1-9.1.mga5
mcabber
Ubuntu:16.04:LTS
 before 0.10.2-1+deb8u1build0.16.04.1, plus listed versions
0.10.2-10.10.2-1build1
0.10.2-1+deb8u1build0.16.04.1
libqxmpp
openSUSE:Tumbleweed
From an advisory covering 2 CVEs
 before 1.16.1-1.1
1.16.1-1.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-9928 is a high vulnerability (CVSS 7.4) in Mcabber, published November 27, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.51%, the 91st percentile. Fixed in mcabber 0.10.2-1.1.

References

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