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CVE-2017-9104

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop...

9.8 CriticalFix available

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.

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
High
Integrity
High
Availability
High

Exploit likelihood

2.42%Up 1.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.

Record
CVE-2017-9104
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-400
Updated
2026-11-02
CVE List No score

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.

Record
CVE-2017-9104
Updated
2026-11-02
EUVDEUVD-2017-18042 No score

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.

Record
EUVD-2017-18042
Updated
2026-11-03
GitHub AdvisoriesGHSA-865c-hm43-j28h 9.8

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop...

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.

Record
GHSA-865c-hm43-j28h
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-400
Updated
2026-11-02
OSV 9.8

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.

Record
CVE-2017-9104
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-9104 9.8

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.

Record
DEBIAN-CVE-2017-9104
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVUBUNTU-CVE-2017-9104 9.8

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.

Record
UBUNTU-CVE-2017-9104
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2020:0827-1 No score

Security update for adns

This update for adns fixes the following issues:

  • CVE-2017-9103,CVE-2017-9104,CVE-2017-9105,CVE-2017-9109: Fixed an issue in local recursive resolver which could have led to remote code execution (bsc#1172265).
  • CVE-2017-9106: Fixed an issue with upstream DNS data sources which could have led to denial of service (bsc#1172265).
  • CVE-2017-9107: Fixed an issue when quering domain names which could have led to denial of service (bsc#1172265).
  • CVE-2017-9108: Fixed an issue which could have led to denial of service (bsc#1172265).

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:0827-1
Updated
2026-11-02
OSVSUSE-SU-2020:14399-1 No score

Security update for adns

This update for adns fixes the following issues:

  • CVE-2017-9103,CVE-2017-9104,CVE-2017-9105,CVE-2017-9109: Fixed an issue in local recursive resolver which could have led to remote code execution (bsc#1172265).
  • CVE-2017-9106: Fixed an issue with upstream DNS data sources which could have led to denial of service (bsc#1172265).
  • CVE-2017-9107: Fixed an issue when quering domain names which could have led to denial of service (bsc#1172265).
  • CVE-2017-9108: Fixed an issue which could have led to denial of service (bsc#1172265).
Record
SUSE-SU-2020:14399-1
Updated
2026-11-02
OSVSUSE-SU-2020:1612-1 No score

Security update for adns

This update for adns fixes the following issues:

  • CVE-2017-9103,CVE-2017-9104,CVE-2017-9105,CVE-2017-9109: Fixed an issue in local recursive resolver which could have led to remote code execution (bsc#1172265).
  • CVE-2017-9106: Fixed an issue with upstream DNS data sources which could have led to denial of service (bsc#1172265).
  • CVE-2017-9107: Fixed an issue when quering domain names which could have led to denial of service (bsc#1172265).
  • CVE-2017-9108: Fixed an issue which could have led to denial of service (bsc#1172265).
Record
SUSE-SU-2020:1612-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
adns
Debian:12
before 1.6.0-2
1.6.0-2
adns
Debian:13
before 1.6.0-2
1.6.0-2
adns
Debian:14
before 1.6.0-2
1.6.0-2
adns
SUSE:Linux Enterprise Point of Sale 11 SP3
before 1.4-75.3.1
1.4-75.3.1
adns
SUSE:Linux Enterprise Server 11 SP4-LTSS
before 1.4-75.3.1
1.4-75.3.1
adns
SUSE:HPE Helion OpenStack 8
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:OpenStack Cloud 7
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:OpenStack Cloud 8
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:OpenStack Cloud Crowbar 8
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
before 1.4-103.3.1
1.4-103.3.1
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Affected packages
PackageAffectedFixed
adns
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Software Development Kit 12 SP4
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Software Development Kit 12 SP5
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Server 12 SP2-LTSS
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Server 12 SP2-BCL
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Server 12 SP3-LTSS
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Server 12 SP3-BCL
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Server 12 SP4
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Server 12 SP5
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
before 1.4-103.3.1
1.4-103.3.1
adns
SUSE:Enterprise Storage 5
before 1.4-103.3.1
1.4-103.3.1
adns
Ubuntu:16.04:LTS
All versions, plus listed versions
1.5.0~rc1-1ubuntu1
None known
adns
Ubuntu:18.04:LTS
All versions, plus listed versions
1.5.0~rc1-1ubuntu11.5.0~rc1-1.1ubuntu1
None known
adns
Ubuntu:20.04:LTS
All versions, plus listed versions
1.5.1-0.1
None known
adns
openSUSE:Leap 15.1
before 1.5.1-lp151.3.3.1
1.5.1-lp151.3.3.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-9104 is a critical vulnerability (CVSS 9.8) in Gnu Adns, published June 12, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.42%, the 84th percentile. Fixed in adns 1.6.0-2.

References

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