CVE-2018-20532

CWE-476 — NULL Pointer Dereference10 documents8 sources
Severity
6.5MEDIUM
EPSS
0.5%
top 34.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Opensuse LibsolvCanonical Ubuntu Linux
Timeline
PublishedDec 28
Latest updateMay 14

Description

There is a NULL pointer dereference at ext/testcase.c (function testcase_read) in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶Debianlibsolv< 0.6.36-1+3
▶NVDopensuse/libsolv0.7.2

Also affects: Ubuntu Linux 18.10

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-7f23-525w-gw6h: There is a NULL pointer dereference at ext/testcase↗2022-05-14
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CVEList
CVE-2018-20532: There is a NULL pointer dereference at ext/testcase↗2018-12-28
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OSV
CVE-2018-20532: There is a NULL pointer dereference at ext/testcase↗2018-12-28
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📋Vendor Advisories

4
Ubuntu
Libsolv vulnerabilities↗2021-03-15
▶
Ubuntu
libsolv vulnerabilities↗2019-03-22
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Red Hat
libsolv: NULL pointer dereference in function testcase_read↗2018-11-22
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Debian
CVE-2018-20532: libsolv - There is a NULL pointer dereference at ext/testcase.c (function testcase_read) i...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-20532 libsolv: NULL pointer dereference in function testcase_read↗2019-01-11
▶
Bugzilla
CVE-2018-20532 libsolv: NULL pointer dereference in function testcase_read [fedora-all]↗2019-01-11
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CVE-2018-20532 (MEDIUM CVSS 6.5) | There is a NULL pointer dereference | cvebase.io