VulnerabilityModified
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.
MEDIUM 6.5EPSS 2.08%
Does this matter?
Lower severity and a low EPSS score (2.08%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 2.08% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- opensuse/libsolv · canonical/ubuntu linux
- Source
- cve@mitre.org
EPSS 2.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00057.html
- https://access.redhat.com/errata/RHSA-2019:2290
- 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
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00057.html
- https://access.redhat.com/errata/RHSA-2019:2290
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.