The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) by adding a channel with the same name as an existing channel but without the leading # character, related to a "use-after-delete" error
Published Dec 19, 2014
4.0
MEDIUMCVSS 2.0
EPSS 2.16%
Description
The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) by adding a channel with the same name as an existing channel but without the leading # character, related to a "use-after-delete" error.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.16% (0.02156) | 81.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.16% (0.02156) | 79.73th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.14% (0.01136) | 76.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.62% (0.00622) | 79.58th | v3 (v2023.03.01) |
| May 4, 2024 | 0.70% (0.00705) | 80.22th | v3 (v2023.03.01) |
| Jan 13, 2024 | 0.70% (0.00705) | 78.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.74% (0.00736) | 77.83th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.23% (0.01232) | 67.28th | v2 (v2022.01.01) |
| Dec 23, 2022 | 1.23% (0.01232) | 66.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.23% (0.01232) | 64.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.23% (0.01232) | 41.02th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://advisories.mageia.org/MGASA-2014-0543.html x_refsource_CONFIRM
- http://secunia.com/advisories/57795 third-party-advisoryx_refsource_SECUNIA
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:013 vendor-advisoryx_refsource_MANDRIVA
- http://www.openwall.com/lists/oss-security/2014/12/18/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/66926 vdb-entryx_refsource_BID
- https://github.com/znc/znc/blob/master/ChangeLog.md x_refsource_CONFIRM
- https://github.com/znc/znc/issues/528 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://advisories.mageia.org/MGASA-2014-0543.html | x_refsource_CONFIRM | |
| http://secunia.com/advisories/57795 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2015:013 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.openwall.com/lists/oss-security/2014/12/18/2 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/66926 | vdb-entryx_refsource_BID | |
| https://github.com/znc/znc/blob/master/ChangeLog.md | x_refsource_CONFIRM | |
| https://github.com/znc/znc/issues/528 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.