dnsmasq: Denial-of-service when empty address from DNS overlays A record from hosts
Published Jun 30, 2016
7.5
HIGHCVSS 3.0
EPSS 2.42%
Description
Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a reply with an empty DNS address that has an (1) A or (2) AAAA record defined locally.
Affected products
No data.
Configuration 1
- 15.10
- 16.04
Configuration 2
- ≤ 2.75
No data.
Red Hat Enterprise Linux 5
dnsmasq
Not affected
Red Hat Enterprise Linux 6
dnsmasq
Not affected
Red Hat Enterprise Linux 7
dnsmasq
Not affected
Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
dnsmasq
Not affected
Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
dnsmasq
Not affected
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
dnsmasq
Not affected
Red Hat OpenStack Platform 8 (Liberty)
dnsmasq
Not affected
Red Hat OpenStack Platform 9 (Mitaka)
dnsmasq
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | dnsmasq | Not affected | n/a |
| Red Hat Enterprise Linux 6 | dnsmasq | Not affected | n/a |
| Red Hat Enterprise Linux 7 | dnsmasq | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) | dnsmasq | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) | dnsmasq | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) | dnsmasq | Not affected | n/a |
| Red Hat OpenStack Platform 8 (Liberty) | dnsmasq | Not affected | n/a |
| Red Hat OpenStack Platform 9 (Mitaka) | dnsmasq | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.42% (0.02415) | 83.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.42% (0.02415) | 81.94th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00067) | 17.92th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.06% (0.01060) | 84.75th | v3 (v2023.03.01) |
| May 3, 2024 | 1.06% (0.01060) | 83.99th | v3 (v2023.03.01) |
| Jun 3, 2023 | 1.06% (0.01060) | 81.98th | v3 (v2023.03.01) |
| Apr 21, 2023 | 1.00% (0.00995) | 81.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.97% (0.00965) | 80.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
References (12)
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010479.html mailing-listx_refsource_MLIST
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010505.html mailing-listx_refsource_MLIST
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=41a8d9e99be9f2cc8b02051dd322cb45e0faac87 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2016/06/03/7 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2016/06/04/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/91031 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1036045 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-3009-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2015-8899 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1343072 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-8899
- https://www.cve.org/CVERecord?id=CVE-2015-8899
| Link | Providers | Tags |
|---|---|---|
| http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010479.html | mailing-listx_refsource_MLIST | |
| http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010505.html | mailing-listx_refsource_MLIST | |
| http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=41a8d9e99be9f2cc8b02051dd322cb45e0faac87 | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2016/06/03/7 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2016/06/04/2 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/91031 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1036045 | vdb-entryx_refsource_SECTRACK | |
| http://www.ubuntu.com/usn/USN-3009-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2015-8899 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1343072 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8899 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-8899 |
Change history (0)
No recorded changes yet.