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Vulnerability record · CVE-2017-9269 · published 1 March 2018

CVE-2017-9269: Opensuse libzypp improper input validation vulnerability

Opensuse · Libzypp

In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content.

9.8 CVSS 3.0 Critical EPSS 2.2% · top 17.8% CWE-757 · CWE-757CWE-20 · Improper input validation
9.8CVSS 3.0 base score, v2 7.5
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.suse.com/show_bug.cgi?id=1045735
https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html
https://www.suse.com/de-de/security/cve/CVE-2017-9269/
https://bugzilla.suse.com/show_bug.cgi?id=1045735
https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html
https://www.suse.com/de-de/security/cve/CVE-2017-9269/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2026-44941Opensuse libzypp relative path traversal vulnerabilityA relative path traversal in the "keyhint" option in repomd.xml parsing of libzypp before 17.38.12 can be used by attackers able to supply a maliciou…EPSS 0.53%8.8CVE-2026-25707Opensuse libzypp relative path traversal vulnerabilityA relative path traversal bug problem when processing repository metadata in libzypp before 17.38.10 could be used by remote attackers supplying repo…EPSS 0.60%8.1CVE-2017-7435Opensuse libzypp improper input validation vulnerabilityIn libzypp before 20170803 it was possible to add unsigned YUM repositories without warning to the user that could lead to man in the middle or malic…EPSS 1.8%8.1CVE-2017-7436Opensuse libzypp improper input validation vulnerabilityIn libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malic…EPSS 1.8%7.8CVE-2018-7685Opensuse libzypp improper verification of cryptographic signature vulnerabilityThe decoupled download and installation steps in libzypp before 17.5.0 could lead to a corrupted RPM being left in the cache, where a later call woul…EPSS 0.29%3.3CVE-2019-18900Opensuse libzypp incorrect default permissions vulnerability: Incorrect Default Permissions vulnerability in libzypp of SUSE CaaS Platform 3.0, SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15 …EPSS 0.30%

Source: NIST National Vulnerability Database (record CVE-2017-9269), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.