Vulnerability · CVE-2019-20367
nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).
Published Jan 8, 2020 · catalog updated Oct 14, 2026 · nlist.c in libbsd before
Check if you run it
No confirmed exploitation is on record for CVE-2019-20367. EPSS is 2.87%. Act only if a listed version of nlist.c in libbsd before is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (nlist.c in libbsd before).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Critical9.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 2.87%
- Remediation
- Advisory link
- Affected products
- cpe canonical/ubuntu linux · cpe debian/debian linux · cpe freedesktop/libbsd · cpe opensuse/leap
nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe canonical/ubuntu linux12.04
- cpe canonical/ubuntu linux14.04
- cpe canonical/ubuntu linux16.04
- cpe canonical/ubuntu linux18.04
- cpe canonical/ubuntu linux19.04
- cpe debian/debian linux9.0
- cpe freedesktop/libbsdversion unspecified
- cpe opensuse/leap15.1
How to fix CVE-2019-20367
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2019-20367. EPSS is 2.87%. Act only if a listed version of nlist.c in libbsd before is installed.
Which versions are affected?
Compare what you have installed with canonical/ubuntu linux 12.04; canonical/ubuntu linux 14.04; canonical/ubuntu linux 16.04; canonical/ubuntu linux 18.04. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-125: Out-of-bounds Read. EPSS 2.87%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jan 8, 2020 · NIST NVD
Detected
nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).
Oct 14, 2026 · NIST NVD
Updated
nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).
Sources
- CVE.orgVulnerability recordCVE-2019-20367
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2019-20367
30-day exploitation probability 2.9%
first.org - NIST NVDVulnerability recordCVE-2019-20367
nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.