What’s Vulnerable › Vulnerabilities

CVE-2018-20533

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-28 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Canonical Ubuntu Linux: 18.10
• OpenSUSE libsolv: through 0.7.2

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=1652599
• https://github.com/openSUSE/libsolv/pull/291
• https://usn.ubuntu.com/3916-1/
• 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=1652599
• https://github.com/openSUSE/libsolv/pull/291
• https://usn.ubuntu.com/3916-1/

Get alerted when CVE-2018-20533 or the next vulnerability affects your stack