CVE-2015-8899
Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a reply with...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
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.
- Record
CVE-2015-8899- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-8899- Updated
- 2026-11-02
EUVDEUVD-2015-8755 No score
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.
- Record
EUVD-2015-8755- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f299-rcx3-c9vw
7.5
Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a reply with...
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.
- Record
GHSA-f299-rcx3-c9vw- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVBELL-CVE-2015-8899
7.5
CVE-2015-8899 does not affect BellSoft software
- Record
BELL-CVE-2015-8899- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
7.5
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.
- Record
CVE-2015-8899- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 10 moreShow less
OSVDEBIAN-CVE-2015-8899
7.5
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.
- Record
DEBIAN-CVE-2015-8899- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-8899
7.5
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.
- Record
UBUNTU-CVE-2015-8899- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10195-1 No score
dnsmasq-2.76-1.3 on GA media
These are all security issues fixed in the dnsmasq-2.76-1.3 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10195-1- Updated
- 2026-11-02
OSVSUSE-SU-2016:3199-1 No score
Security update for dnsmasq
This update for dnsmasq fixes the following issues:
- CVE-2015-8899: Denial of service between local and remote dns entries (bsc#983273)
- Record
SUSE-SU-2016:3199-1- Updated
- 2026-11-02
OSVSUSE-SU-2016:3257-1 No score
Security update for dnsmasq
This update for dnsmasq fixes the following issues:
- CVE-2015-8899: Denial of service between local and remote dns entries (bsc#983273)
- Record
SUSE-SU-2016:3257-1- Updated
- 2026-11-02
OSVSUSE-SU-2016:3269-1 No score
Security update for dnsmasq
This update for dnsmasq fixes the following issues:
- CVE-2015-8899: Denial of service between local and remote dns entries (bsc#983273)
- Record
SUSE-SU-2016:3269-1- Updated
- 2026-11-02
OSVSUSE-SU-2017:2616-1 No score
Security update for dnsmasq
This update for dnsmasq fixes the following issues.
Remedy the following security issues:
- CVE-2017-14491: 2 byte heap based overflow. [bsc#1060354]
- CVE-2017-14492: heap based overflow. [bsc#1060355]
- CVE-2017-14493: stack based overflow. [bsc#1060360]
- CVE-2017-14494: DHCP - info leak. [bsc#1060361]
- CVE-2017-14495: DNS - OOM DoS. [bsc#1060362]
- CVE-2017-14496: DNS - DoS Integer underflow. [bsc#1060364]
- Prevent a man-in-the-middle attack (bsc#972164, fate#321175).
Furthermore, the following issues have been fixed:
- Fix DHCP relaying, broken in 2.76 and 2.77.
- Update to version 2.78 (fate#321175, fate#322030, bsc#1035227).
- Fix PXE booting for UEFI architectures (fate#322030).
- Drop PrivateDevices=yes which breaks logging (bsc#902511, bsc#904537)
- Build with support for DNSSEC (fate#318323, bsc#908137).
Please note that this update brings a (small) potential incompatibility in the handling of 'basename' in --pxe-service. Please read the CHANGELOG and the documentation if you are using this option.
- Record
SUSE-SU-2017:2616-1- Updated
- 2026-11-02
OSVSUSE-SU-2017:2617-1 No score
Security update for dnsmasq
This update for dnsmasq fixes the following security issues:
- CVE-2017-14491: 2 byte heap based overflow. [bsc#1060354]
- CVE-2017-14492: heap based overflow. [bsc#1060355]
- CVE-2017-14493: stack based overflow. [bsc#1060360]
- CVE-2017-14494: DHCP - info leak. [bsc#1060361]
- CVE-2017-14495: DNS - OOM DoS. [bsc#1060362]
- CVE-2017-14496: DNS - DoS Integer underflow. [bsc#1060364]
This update brings a (small) potential incompatibility in the handling of 'basename' in --pxe-service. Please read the CHANGELOG and the documentation if you are using this option.
- Record
SUSE-SU-2017:2617-1- Updated
- 2026-11-02
OSVSUSE-SU-2017:2619-1 No score
Security update for dnsmasq
This update for dnsmasq fixes the following security issues:
- CVE-2017-14491: 2 byte heap based overflow. [bsc#1060354]
- CVE-2017-14492: heap based overflow. [bsc#1060355]
- CVE-2017-14493: stack based overflow. [bsc#1060360]
- CVE-2017-14494: DHCP - info leak. [bsc#1060361]
- CVE-2017-14495: DNS - OOM DoS. [bsc#1060362]
- CVE-2017-14496: DNS - DoS Integer underflow. [bsc#1060364]
This update brings a (small) potential incompatibility in the handling of 'basename' in --pxe-service. Please read the CHANGELOG and the documentation if you are using this option.
- Record
SUSE-SU-2017:2619-1- Updated
- 2026-11-02
OSVUSN-3009-1 No score
dnsmasq vulnerability
Edwin Török discovered that Dnsmasq incorrectly handled certain CNAME responses. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service.
- Record
USN-3009-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dnsmasqDebian:12 |
before 2.76-1 | 2.76-1 |
dnsmasqDebian:13 |
before 2.76-1 | 2.76-1 |
dnsmasqDebian:14 |
before 2.76-1 | 2.76-1 |
dnsmasqSUSE:Linux Enterprise Server 11 SP4 |
before 2.71-0.16.3 | 2.71-0.16.3 |
dnsmasqSUSE:Linux Enterprise Server for SAP Applications 11 SP4 |
before 2.71-0.16.3 | 2.71-0.16.3 |
dnsmasqSUSE:Cloud Compute Node for SUSE Linux Enterprise 12 5 |
before 2.71-6.3.1 | 2.71-6.3.1 |
dnsmasqSUSE:OpenStack Cloud 6 |
before 2.71-13.1 | 2.71-13.1 |
dnsmasqSUSE:Linux Enterprise Desktop 12 SP1 |
before 2.71-13.1 | 2.71-13.1 |
dnsmasqSUSE:Linux Enterprise Desktop 12 SP2 |
before 2.71-13.1 | 2.71-13.1 |
dnsmasqSUSE:Linux Enterprise Server for Raspberry Pi 12 SP2 |
before 2.71-13.1 | 2.71-13.1 |
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| Package | Affected | Fixed |
|---|---|---|
dnsmasqSUSE:Linux Enterprise Server 12 SP1 |
before 2.71-13.1 | 2.71-13.1 |
dnsmasqSUSE:Linux Enterprise Server for SAP Applications 12 SP1 |
before 2.71-13.1 | 2.71-13.1 |
dnsmasqSUSE:Linux Enterprise Server 12 SP2 |
before 2.71-13.1 | 2.71-13.1 |
dnsmasqSUSE:Linux Enterprise Server for SAP Applications 12 SP2 |
before 2.71-13.1 | 2.71-13.1 |
dnsmasqSUSE:Linux Enterprise Server 12-LTSS From an advisory covering 8 CVEs |
before 2.78-6.6.1 | 2.78-6.6.1 |
dnsmasqSUSE:Linux Enterprise Point of Sale 11 SP3 From an advisory covering 8 CVEs |
before 2.78-0.16.5.1 | 2.78-0.16.5.1 |
dnsmasqSUSE:Linux Enterprise Server 11 SP3-LTSS From an advisory covering 8 CVEs |
before 2.78-0.16.5.1 | 2.78-0.16.5.1 |
dnsmasqSUSE:Linux Enterprise Server 11 SP3-TERADATA From an advisory covering 8 CVEs |
before 2.78-0.16.5.1 | 2.78-0.16.5.1 |
dnsmasqSUSE:Linux Enterprise Server 11 SP4 From an advisory covering 8 CVEs |
before 2.78-0.17.5.1 | 2.78-0.17.5.1 |
dnsmasqSUSE:Linux Enterprise Server for SAP Applications 11 SP4 From an advisory covering 8 CVEs |
before 2.78-0.17.5.1 | 2.78-0.17.5.1 |
dnsmasqUbuntu:16.04:LTS |
before 2.75-1ubuntu0.16.04.1, plus listed versions 2.75-1 |
2.75-1ubuntu0.16.04.1 |
dnsmasqopenSUSE:Tumbleweed From an advisory covering 2 CVEs |
before 2.76-1.3 | 2.76-1.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-8899 is a high vulnerability (CVSS 7.5) in Thekelleys Dnsmasq, published December 31, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.50%, the 84th percentile. Fixed in dnsmasq 2.76-1.
References
securityfocus.com/bid/91031
lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010479.html
ubuntu.com/usn/USN-3009-1
lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010505.html
openwall.com/lists/oss-security/2016/06/04/2
securitytracker.com/id/1036045
Show 36 moreShow less
thekelleys.org.uk/gitweb?p=dnsmasq.git%3Ba=commit%3Bh=41a8d9e99be9f2cc8b02051dd322cb45e0faac87
openwall.com/lists/oss-security/2016/06/03/7
nvd.nist.gov/vuln/detail/CVE-2015-8899
thekelleys.org.uk/gitweb?p=dnsmasq.git;a=commit;h=41a8d9e99be9f2cc8b02051dd322cb45e0faac87
github.com/advisories/GHSA-f299-rcx3-c9vw
docs.bell-sw.com/security/cves/CVE-2015-8899
security-tracker.debian.org/tracker/CVE-2015-8899
suse.com/support/update/announcement/2016/suse-su-20163199-1
bugzilla.suse.com/983273
suse.com/security/cve/CVE-2015-8899
suse.com/support/update/announcement/2016/suse-su-20163257-1
suse.com/support/update/announcement/2016/suse-su-20163269-1
suse.com/support/update/announcement/2017/suse-su-20172616-1
bugzilla.suse.com/1035227
bugzilla.suse.com/1060354
bugzilla.suse.com/1060355
bugzilla.suse.com/1060360
bugzilla.suse.com/1060361
bugzilla.suse.com/1060362
bugzilla.suse.com/1060364
bugzilla.suse.com/902511
bugzilla.suse.com/904537
bugzilla.suse.com/908137
bugzilla.suse.com/972164
suse.com/security/cve/CVE-2015-3294
suse.com/security/cve/CVE-2017-14491
suse.com/security/cve/CVE-2017-14492
suse.com/security/cve/CVE-2017-14493
suse.com/security/cve/CVE-2017-14494
suse.com/security/cve/CVE-2017-14495
suse.com/security/cve/CVE-2017-14496
suse.com/support/update/announcement/2017/suse-su-20172617-1
suse.com/support/update/announcement/2017/suse-su-20172619-1
ubuntu.com/security/CVE-2015-8899
ubuntu.com/security/notices/USN-3009-1
cve.org/CVERecord?id=CVE-2015-8899