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HIGH

CVE-2016-9928

CVSS v3

7.4

HIGH

EPSS Score

4.5 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2016-9928 Red Hat Product Security

    mcabber: remote attackers can modify the roster and intercept messages via a crafted roster-push IQ stanza

Full record on NVD

Description

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.

Technical details

Published
2020-02-06

Frequently asked questions

What is CVE-2016-9928?

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.

Is CVE-2016-9928 actively exploited?

Active exploitation of CVE-2016-9928 has not been confirmed. Its EPSS score was 4.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-9928?

CVE-2016-9928 has a CVSS v3 base score of 7.4 (HIGH severity).

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