CVE-2016-9797
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c"...
CVE-2016-9797 is a medium vulnerability (CVSS 5.3) in Bluez, published December 3, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.72%, the 89th percentile. Fixed in bluez 5.66-1+deb12u2.root.io.14.
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
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
- Low
Exploit likelihood
What each source reports
NVD Score used
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
- Record
CVE-2016-9797- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-119, CWE-125
- Updated
- 2026-11-02
CVE List No score
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
- Record
CVE-2016-9797- Updated
- 2026-11-02
EUVDEUVD-2016-10598 No score
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
- Record
EUVD-2016-10598- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vx7p-gj48-62cq
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c"...
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
- Record
GHSA-vx7p-gj48-62cq- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
- Record
CVE-2016-9797- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-9797
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
- Record
DEBIAN-CVE-2016-9797- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
Show 7 moreShow less
OSVUBUNTU-CVE-2016-9797
In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
- Record
UBUNTU-CVE-2016-9797- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVopenSUSE-SU-2019:1476-1 No score
Security update for bluez
This update for bluez fixes the following issues:
Security issues fixed:
- CVE-2016-9797: Fixed a buffer over-read in l2cap_dump() (bsc#1013708).
- CVE-2016-9798: Fixed a use-after-free in conf_opt() (bsc#1013712).
- CVE-2016-9917: Fixed a heap-based buffer overflow in read_n() (bsc#1015171).
This update was imported from the SUSE:SLE-15:Update update project.
- Record
openSUSE-SU-2019:1476-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:12348-1 No score
bluez-5.65-2.1 on GA media
These are all security issues fixed in the bluez-5.65-2.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:12348-1- Updated
- 2026-11-02
OSVROOT-OS-DEBIAN-12-CVE-2016-9797 No score
CVE-2016-9797 in bluez - Patched by Root
Root has patched CVE-2016-9797 in the bluez package for Root:Debian:12. Multiple fixed versions available.
- Record
ROOT-OS-DEBIAN-12-CVE-2016-9797- Updated
- 2026-11-02
OSVSUSE-SU-2019:1339-1 No score
Security update for bluez
This update for bluez fixes the following issues:
Security vulnerability addressed:
- CVE-2016-9797: Fixed a buffer over-read in l2cap_dump() (bsc#1013708).
- CVE-2016-9798: Fixed a use-after-free in conf_opt() (bsc#1013712).
- CVE-2016-9917: Fixed a heap-based buffer overflow in read_n() (bsc#1015171).
- CVE-2016-9802: Fixed a buffer over-read in l2cap_packet() (bsc#1013893).
- CVE-2016-9918: Fixed an out-of-bounds stack read in packet_hexdump(), which could be triggered by processing a corrupted dump file and will result in a crash of the hcidump tool (bsc#1015173)
- Record
SUSE-SU-2019:1339-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:1353-1 No score
Security update for bluez
This update for bluez fixes the following issues:
Security issues fixed:
- CVE-2016-9797: Fixed a buffer over-read in l2cap_dump() (bsc#1013708).
- CVE-2016-9798: Fixed a use-after-free in conf_opt() (bsc#1013712).
- CVE-2016-9917: Fixed a heap-based buffer overflow in read_n() (bsc#1015171).
- Record
SUSE-SU-2019:1353-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:1353-2 No score
Security update for bluez
This update for bluez fixes the following issues:
Security issues fixed:
- CVE-2016-9797: Fixed a buffer over-read in l2cap_dump() (bsc#1013708).
- CVE-2016-9798: Fixed a use-after-free in conf_opt() (bsc#1013712).
- CVE-2016-9917: Fixed a heap-based buffer overflow in read_n() (bsc#1015171).
- CVE-2016-9802: Fixed a buffer over-read in l2cap_packet() (bsc#1013893).
- Record
SUSE-SU-2019:1353-2- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
bluezDebian:12 |
All versions, plus listed versions 5.66-15.66-1+deb12u15.66-1+deb12u25.68-15.68-2 Show 22 moreShow less5.69-15.70-15.70-1.15.70-1.1~exp05.71-15.73-15.73-1.15.77-15.79-15.79-25.82-15.82-1.15.83-15.83-1~exp15.84-15.85-15.85-25.85-35.85-45.87-15.87-25.87-3 |
None known |
bluezDebian:13 |
All versions, plus listed versions 5.82-1.15.83-15.83-1~exp15.84-15.85-1 Show 6 moreShow less5.85-25.85-35.85-45.87-15.87-25.87-3 |
None known |
bluezDebian:14 |
All versions, plus listed versions 5.82-1.15.83-15.83-1~exp15.84-15.85-1 Show 6 moreShow less5.85-25.85-35.85-45.87-15.87-25.87-3 |
None known |
bluezRoot:Debian:12 |
before 5.66-1+deb12u2.root.io.14 | 5.66-1+deb12u2.root.io.145.66-1+deb12u2.root.io.165.66-1+deb12u2.root.io.135.66-1+deb12u2.root.io.115.66-1+deb12u2.root.io.125.66-1+deb12u2.root.io.155.66-1+deb12u2.aikido.175.66-1+deb12u2.aikido.185.66-1+deb12u2.aikido.19 |
rootio-bluezRoot:Debian:12 |
before 5.66-1+deb12u2.root.io.14 | 5.66-1+deb12u2.root.io.145.66-1+deb12u2.root.io.165.66-1+deb12u2.root.io.135.66-1+deb12u2.root.io.115.66-1+deb12u2.root.io.125.66-1+deb12u2.root.io.155.66-1+deb12u2.aikido.175.66-1+deb12u2.aikido.185.66-1+deb12u2.aikido.19 |
bluezSUSE:Linux Enterprise Desktop 12 SP3 |
before 5.13-5.12.1 | 5.13-5.12.1 |
bluezSUSE:Linux Enterprise Desktop 12 SP4 |
before 5.13-5.12.1 | 5.13-5.12.1 |
bluezSUSE:Linux Enterprise Software Development Kit 12 SP3 |
before 5.13-5.12.1 | 5.13-5.12.1 |
bluezSUSE:Linux Enterprise Software Development Kit 12 SP4 |
before 5.13-5.12.1 | 5.13-5.12.1 |
bluezSUSE:Linux Enterprise Server 12 SP3 |
before 5.13-5.12.1 | 5.13-5.12.1 |
Show 21 moreShow less
| Package | Affected | Fixed |
|---|---|---|
bluezSUSE:Linux Enterprise Server for SAP Applications 12 SP3 |
before 5.13-5.12.1 | 5.13-5.12.1 |
bluezSUSE:Linux Enterprise Server 12 SP4 |
before 5.13-5.12.1 | 5.13-5.12.1 |
bluezSUSE:Linux Enterprise Server for SAP Applications 12 SP4 |
before 5.13-5.12.1 | 5.13-5.12.1 |
bluezSUSE:Linux Enterprise Workstation Extension 12 SP3 |
before 5.13-5.12.1 | 5.13-5.12.1 |
bluezSUSE:Linux Enterprise Workstation Extension 12 SP4 |
before 5.13-5.12.1 | 5.13-5.12.1 |
bluezSUSE:Linux Enterprise Module for Basesystem 15 |
before 5.48-5.16.1 | 5.48-5.16.1 |
bluezSUSE:Linux Enterprise Module for Desktop Applications 15 |
before 5.48-5.16.1 | 5.48-5.16.1 |
bluezSUSE:Linux Enterprise Workstation Extension 15 |
before 5.48-5.16.1 | 5.48-5.16.1 |
bluezSUSE:Linux Enterprise Module for Basesystem 15 SP1 |
before 5.48-5.16.1 | 5.48-5.16.1 |
bluezSUSE:Linux Enterprise Module for Desktop Applications 15 SP1 |
before 5.48-5.16.1 | 5.48-5.16.1 |
bluezSUSE:Linux Enterprise Workstation Extension 15 SP1 |
before 5.48-5.16.1 | 5.48-5.16.1 |
bluezUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 5.35-0ubuntu25.36-0ubuntu15.37-0ubuntu55.37-0ubuntu5.15.37-0ubuntu5.3 Show 6 moreShow less5.37-0ubuntu5.3+esm15.37-0ubuntu5.3+esm25.37-0ubuntu5.3+esm35.37-0ubuntu5.3+esm45.37-0ubuntu5.3+esm55.37-0ubuntu5.3+esm6 |
None known |
bluezUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 5.46-0ubuntu35.46-0ubuntu45.48-0ubuntu35.48-0ubuntu3.15.48-0ubuntu3.2 Show 10 moreShow less5.48-0ubuntu3.35.48-0ubuntu3.45.48-0ubuntu3.55.48-0ubuntu3.65.48-0ubuntu3.75.48-0ubuntu3.85.48-0ubuntu3.95.48-0ubuntu3.9+esm15.48-0ubuntu3.9+esm25.48-0ubuntu3.9+esm3 |
None known |
bluezUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 5.50-0ubuntu45.51-0ubuntu15.51-0ubuntu25.52-0ubuntu15.52-0ubuntu2 Show 14 moreShow less5.53-0ubuntu15.53-0ubuntu25.53-0ubuntu35.53-0ubuntu3.15.53-0ubuntu3.25.53-0ubuntu3.35.53-0ubuntu3.45.53-0ubuntu3.55.53-0ubuntu3.65.53-0ubuntu3.75.53-0ubuntu3.85.53-0ubuntu3.95.53-0ubuntu3.9+esm15.53-0ubuntu3.9+esm2 |
None known |
bluezUbuntu:22.04:LTS |
All versions, plus listed versions 5.60-0ubuntu25.62-0ubuntu15.62-0ubuntu25.63-0ubuntu15.63-0ubuntu2 Show 6 moreShow less5.64-0ubuntu15.64-0ubuntu1.15.64-0ubuntu1.35.64-0ubuntu1.45.64-0ubuntu1.55.64-0ubuntu1.6 |
None known |
bluezUbuntu:24.04:LTS |
All versions, plus listed versions 5.68-0ubuntu15.70-0ubuntu15.70-0ubuntu25.70-0ubuntu35.71-0ubuntu3 Show 13 moreShow less5.71-1ubuntu25.71-1ubuntu35.72-0ubuntu15.72-0ubuntu35.72-0ubuntu45.72-0ubuntu55.72-0ubuntu5.15.72-0ubuntu5.35.72-0ubuntu5.45.72-0ubuntu5.55.72-0ubuntu5.65.72-0ubuntu5.75.72-0ubuntu5.8 |
None known |
bluezUbuntu:25.10 |
All versions, plus listed versions 5.79-2ubuntu15.82-15.82-1ubuntu15.83-1~exp15.83-1~exp1ubuntu0.1 |
None known |
bluezUbuntu:26.10 |
All versions, plus listed versions 5.85-45.85-4ubuntu15.87-15.87-25.87-35.87-4 |
None known |
bluezUbuntu:26.04:LTS |
All versions, plus listed versions 5.83-1~exp15.84-15.85-15.85-25.85-3 Show 5 moreShow less5.85-45.85-4ubuntu0.15.85-4ubuntu0.25.85-4ubuntu0.35.85-4ubuntu0.4 |
None known |
bluezopenSUSE:Leap 15.0 |
before 5.48-lp151.8.3.1 | 5.48-lp151.8.3.1 |
bluezopenSUSE:Leap 15.1 |
before 5.48-lp151.8.3.1 | 5.48-lp151.8.3.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
spinics.net/lists/linux-bluetooth/msg68892.html
securityfocus.com/bid/94652
lists.opensuse.org/opensuse-security-announce/2019-05/msg00069.html
nvd.nist.gov/vuln/detail/CVE-2016-9797
github.com/advisories/GHSA-vx7p-gj48-62cq
security-tracker.debian.org/tracker/CVE-2016-9797
Show 16 moreShow less
suse.com/support/update/announcement/2019/suse-su-20191339-1
bugzilla.suse.com/1013708
ubuntu.com/security/CVE-2016-9797
cve.org/CVERecord?id=CVE-2016-9797