CVE-2019-20367
CRITICALCVSS 9.1/10EPSS 2.80%
Last modified
CVE-2019-20367 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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).. EPSS estimates a 2.80% chance of exploitation in the next 30 days.
Description
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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freedesktop | Libbsd | < 0.10.0 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 19.04 |
| Opensuse | Leap | 15.1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00043.htmlMailing List, Third Party Advisory
- https://gitlab.freedesktop.org/libbsd/libbsd/commit/9d917aad37778a9f4a96ba358415f077f3f36f3bExploit, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00027.htmlMailing List, Third Party Advisory
- https://lists.freedesktop.org/archives/libbsd/2019-August/000229.htmlMailing List, Release Notes, Vendor Advisory
- https://usn.ubuntu.com/4243-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00043.htmlMailing List, Third Party Advisory
- https://gitlab.freedesktop.org/libbsd/libbsd/commit/9d917aad37778a9f4a96ba358415f077f3f36f3bExploit, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00027.htmlMailing List, Third Party Advisory
- https://lists.freedesktop.org/archives/libbsd/2019-August/000229.htmlMailing List, Release Notes, Vendor Advisory
- https://usn.ubuntu.com/4243-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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).
How severe is CVE-2019-20367?
CVE-2019-20367 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 2.80% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20367?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-20367?
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