CVE-2018-20533
UnknownEPSS 2.16%
Last modified
CVE-2018-20533 is a vulnerability of currently unknown severity. There is a NULL pointer dereference at ext/testcase.c (function testcase_str2dep_complex) in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.. EPSS estimates a 2.16% chance of exploitation in the next 30 days.
Description
There is a NULL pointer dereference at ext/testcase.c (function testcase_str2dep_complex) in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Opensuse | Libsolv | <= 0.7.2 |
| Canonical | Ubuntu Linux | 18.10 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1652599Exploit, Issue Tracking, Third Party Advisory
- https://github.com/openSUSE/libsolv/pull/291Patch, Third Party Advisory
- https://usn.ubuntu.com/3916-1/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1652599Exploit, Issue Tracking, Third Party Advisory
- https://github.com/openSUSE/libsolv/pull/291Patch, Third Party Advisory
- https://usn.ubuntu.com/3916-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-20533?
There is a NULL pointer dereference at ext/testcase.c (function testcase_str2dep_complex) in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.
How severe is CVE-2018-20533?
Severity scoring for CVE-2018-20533 is pending analysis. The EPSS model estimates a 2.16% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20533?
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.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2018-20533?
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Scan your code nowSource: NVD / NIST