CVE-2018-16790
_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and...
_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and other products, has a heap-based buffer over-read via a crafted bson buffer.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and other products, has a heap-based buffer over-read via a crafted bson buffer.
- Record
CVE-2018-16790- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and other products, has a heap-based buffer over-read via a crafted bson buffer.
- Record
CVE-2018-16790- Updated
- 2026-11-02
EUVDEUVD-2018-8590 No score
_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and other products, has a heap-based buffer over-read via a crafted bson buffer.
- Record
EUVD-2018-8590- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vmg6-94hc-5vqp
_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and...
_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and other products, has a heap-based buffer over-read via a crafted bson buffer.
- Record
GHSA-vmg6-94hc-5vqp- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and other products, has a heap-based buffer over-read via a crafted bson buffer.
- Record
CVE-2018-16790- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-16790
_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and other products, has a heap-based buffer over-read via a crafted bson buffer.
- Record
DEBIAN-CVE-2018-16790- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-16790
_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and other products, has a heap-based buffer over-read via a crafted bson buffer.
- Record
UBUNTU-CVE-2018-16790- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVUSN-4812-1 No score
libbson vulnerabilities
It was discovered that libbson incorrectly validated input length. An attacker could possibly use this issue to cause a denial of service. This issue affected only Ubuntu 16.04 ESM. (CVE-2017-14227)
It was discovered that libbson incorrectly handled certain specially crafted bson buffers. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-16790)
- Record
USN-4812-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libbson-xs-perlDebian:12 |
before 0.8.4-2+deb12u1, plus listed versions 0.8.4-2 |
0.8.4-2+deb12u1 |
mongo-c-driverDebian:12 |
before 1.13.0-1 | 1.13.0-1 |
mongo-c-driverDebian:13 |
before 1.13.0-1 | 1.13.0-1 |
mongo-c-driverDebian:14 |
before 1.13.0-1 | 1.13.0-1 |
libbson-xs-perlDebian:11 |
before 0.8.4-1+deb11u1, plus listed versions 0.8.4-1 |
0.8.4-1+deb11u1 |
libbsonUbuntu:Pro:16.04:LTS |
before 1.3.1-1ubuntu0.1~esm1, plus listed versions 1.3.1-1 |
1.3.1-1ubuntu0.1~esm1 |
libbsonUbuntu:Pro:18.04:LTS |
before 1.9.2-1ubuntu0.1~esm2, plus listed versions 1.8.0-11.8.1-11.9.0-11.9.2-1 |
1.9.2-1ubuntu0.1~esm2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-16790 is a high vulnerability (CVSS 8.1) in Mongodb Libbson, published September 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.13%, the 81st percentile. Fixed in libbson-xs-perl 0.8.4-2+deb12u1.