CVE-2016-4414
The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.
02 Description
The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.85% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.2% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-06-13 19:00Z10 YR AGO
- Last updated
- 2024-08-06 00:25Z2 YR AGO
- Reserved
- 2016-04-30
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 0448e4ed2541a5ab4ea35c36c76d0c75d5295bae5ebbbf7c6a2ac0fd8ddc0cc2
05 Affected products
06 References
- www.openwall.com[oss-security] 20160430 Re: CVE request - Quassel IRC denial of servicehttp://www.openwall.com/lists/oss-security/2016/04/30/4
- github.comhttps://github.com/quassel/quassel/commit/e678873
- lists.opensuse.orgopenSUSE-SU-2016:1314http://lists.opensuse.org/opensuse-updates/2016-05/msg00063.html
- quassel-irc.orghttp://quassel-irc.org/node/129
- lists.fedoraproject.orgFEDORA-2016-bf916bcc04http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183746.html
- www.openwall.com[oss-security] 20160430 CVE request - Quassel IRC denial of servicehttp://www.openwall.com/lists/oss-security/2016/04/30/2
- lists.fedoraproject.orgFEDORA-2016-42f30d76a0http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183571.html
- lists.fedoraproject.orgFEDORA-2016-0431acaa78http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183585.html
07 Fixed in
Debian 12
- quassel Fixed in 1:0.12.4-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- quassel Fixed in 1:0.12.4-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- quassel Fixed in 1:0.12.4-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- quassel No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.