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CVE-2017-7869

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based...

7.5 HighFix available

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

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

2.86%Up 1.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Record
CVE-2017-7869
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Record
CVE-2017-7869
Updated
2026-11-02
EUVDEUVD-2017-16844 No score

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Record
EUVD-2017-16844
Updated
2026-11-03
GitHub AdvisoriesGHSA-8cj2-6v9c-5x8f 7.5

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based...

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Record
GHSA-8cj2-6v9c-5x8f
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-787
Updated
2026-11-02
OSV 7.5

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Record
CVE-2017-7869
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-7869 7.5

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Record
DEBIAN-CVE-2017-7869
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 7 moreShow less
OSVRHSA-2017:2292 8.1

Red Hat Security Advisory: gnutls security, bug fix, and enhancement update

Record
RHSA-2017:2292
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-7869 7.5

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Record
UBUNTU-CVE-2017-7869
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2017-0212 No score

Updated gnutls packages fix security vulnerabilities

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10. (CVE-2017-7869)

GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application. (CVE-2017-7507)

Record
MGASA-2017-0212
Updated
2026-11-02
OSVopenSUSE-SU-2024:10801-1 No score

gnutls-3.7.2-1.2 on GA media

These are all security issues fixed in the gnutls-3.7.2-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10801-1
Updated
2026-11-02
OSVSUSE-SU-2017:1838-1 No score

Security update for gnutls

This update for gnutls fixes the following issues:

  • GNUTLS-SA-2017-4 / CVE-2017-7507: Fix crash in status response TLS extension decoding (bsc#1043398)
  • GNUTLS-SA-2017-3 / CVE-2017-7869: Fix out-of-bounds write in OpenPGP certificate decoding (bsc#1034173)
  • Address read of 4 bytes past the end of buffer in OpenPGP certificate parsing (bsc#1038337)
Record
SUSE-SU-2017:1838-1
Updated
2026-11-02
OSVSUSE-SU-2017:1886-1 No score

Security update for gnutls

This update for gnutls fixes the following issues:

  • GNUTLS-SA-2017-3 / CVE-2017-7869: An out-of-bounds write in OpenPGP certificate decoding was fixed (bsc#1034173)
  • CVE-2017-6891: A potential stack buffer overflow in the bundled libtasn1 was fixed (bsc#1040621)
  • An address read of 4 bytes past the end of buffer in OpenPGP certificate parsing was fixed (bsc#1038337)
Record
SUSE-SU-2017:1886-1
Updated
2026-11-02
OSVUSN-3318-1 No score

gnutls26, gnutls28 vulnerabilities

Hubert Kario discovered that GnuTLS incorrectly handled decoding a status response TLS extension. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04. (CVE-2017-7507)

It was discovered that GnuTLS incorrectly handled decoding certain OpenPGP certificates. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-7869)

Record
USN-3318-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
gnutls28
Debian:12
 before 3.5.8-4
3.5.8-4
gnutls28
Debian:13
 before 3.5.8-4
3.5.8-4
gnutls28
Debian:14
 before 3.5.8-4
3.5.8-4
gnutls
Mageia:5
 before 3.2.21-1.4.mga5
3.2.21-1.4.mga5
gnutls-c++
Red Hat:enterprise_linux:7::client
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-devel
Red Hat:enterprise_linux:7::client
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls
Red Hat:enterprise_linux:7::client
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-dane
Red Hat:enterprise_linux:7::client
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-utils
Red Hat:enterprise_linux:7::client
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
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Affected packages
PackageAffectedFixed
gnutls-c++
Red Hat:enterprise_linux:7::computenode
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-devel
Red Hat:enterprise_linux:7::computenode
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls
Red Hat:enterprise_linux:7::computenode
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-dane
Red Hat:enterprise_linux:7::computenode
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-utils
Red Hat:enterprise_linux:7::computenode
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls
Red Hat:enterprise_linux:7::server
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-c++
Red Hat:enterprise_linux:7::server
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-dane
Red Hat:enterprise_linux:7::server
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-devel
Red Hat:enterprise_linux:7::server
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-utils
Red Hat:enterprise_linux:7::server
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls
Red Hat:enterprise_linux:7::workstation
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-c++
Red Hat:enterprise_linux:7::workstation
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-dane
Red Hat:enterprise_linux:7::workstation
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-devel
Red Hat:enterprise_linux:7::workstation
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls-utils
Red Hat:enterprise_linux:7::workstation
 before 0:3.3.26-9.el7
0:3.3.26-9.el7
gnutls
SUSE:Linux Enterprise Desktop 12 SP2
 before 3.2.15-18.3.1
3.2.15-18.3.1
gnutls
SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2
 before 3.2.15-18.3.1
3.2.15-18.3.1
gnutls
SUSE:Linux Enterprise Software Development Kit 12 SP2
 before 3.2.15-18.3.1
3.2.15-18.3.1
gnutls
SUSE:Linux Enterprise Server 12 SP2
 before 3.2.15-18.3.1
3.2.15-18.3.1
gnutls
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
 before 3.2.15-18.3.1
3.2.15-18.3.1
gnutls
SUSE:Linux Enterprise Software Development Kit 11 SP4
 before 2.4.1-24.39.70.1
2.4.1-24.39.70.1
gnutls
SUSE:Linux Enterprise High Availability Extension 11 SP4
 before 2.4.1-24.39.70.1
2.4.1-24.39.70.1
gnutls
SUSE:Linux Enterprise Server 11 SP4
 before 2.4.1-24.39.70.1
2.4.1-24.39.70.1
gnutls
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
 before 2.4.1-24.39.70.1
2.4.1-24.39.70.1
gnutls26
Ubuntu:14.04:LTS
 before 2.12.23-12ubuntu2.8, plus listed versions
2.12.23-1ubuntu42.12.23-1ubuntu52.12.23-12ubuntu12.12.23-12ubuntu22.12.23-12ubuntu2.1
Show 6 moreShow less
2.12.23-12ubuntu2.22.12.23-12ubuntu2.32.12.23-12ubuntu2.42.12.23-12ubuntu2.52.12.23-12ubuntu2.62.12.23-12ubuntu2.7
2.12.23-12ubuntu2.8
gnutls28
Ubuntu:16.04:LTS
 before 3.4.10-4ubuntu1.3, plus listed versions
3.3.15-5ubuntu23.3.18-1ubuntu13.3.20-1ubuntu13.4.9-2ubuntu13.4.10-4ubuntu13.4.10-4ubuntu1.13.4.10-4ubuntu1.2
3.4.10-4ubuntu1.3
gnutls
openSUSE:Tumbleweed
 before 3.7.2-1.2
3.7.2-1.2

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-2017-7869 is a high vulnerability (CVSS 7.5) in Gnu Gnutls, published April 14, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.86%, the 86th percentile. Fixed in gnutls28 3.5.8-4.

References

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