Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2026-0915

Use of Uninitialized Resource

Published: Jan 15, 2026 | Modified: Jan 23, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
5.3 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-0915
CWEhttps://cwe.mitre.org/data/definitions/908.html

Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the librarys DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to version 2.42 can leak stack contents to the configured DNS resolver.

Weakness

The product uses or accesses a resource that has not been initialized.

Affected Software

NameVendorStart VersionEnd Version
GlibcGnu2.0 (including)2.42 (including)
Red Hat Enterprise Linux 10RedHatglibc-0:2.39-58.el10_1.7*
Red Hat Enterprise Linux 8RedHatglibc-0:2.28-251.el8_10.31*
Red Hat Enterprise Linux 8RedHatglibc-0:2.28-251.el8_10.31*
Red Hat Enterprise Linux 9RedHatglibc-0:2.34-231.el9_7.10*
Red Hat Enterprise Linux 9RedHatglibc-0:2.34-231.el9_7.10*
Cost Management 4RedHatcostmanagement/costmanagement-metrics-rhel9-operator:1770836349*
Red Hat Ceph Storage 8RedHatrhceph/rhceph-8-rhel9:1774002867*
Red Hat Discovery 2RedHatdiscovery/discovery-server-rhel9:1773273243*
Red Hat Discovery 2RedHatdiscovery/discovery-ui-rhel9:1773273070*
Red Hat Hardened ImagesRedHatglibc-main-2.42-11.1.hum1*
Red Hat Insights proxy 1.5RedHatinsights-proxy/insights-proxy-container-rhel9:1773685509*
Red Hat Update Infrastructure 5RedHatrhui5/cds-rhel9:1773670073*
Red Hat Update Infrastructure 5RedHatrhui5/haproxy-rhel9:1773672059*
Red Hat Update Infrastructure 5RedHatrhui5/installer-rhel9:1773668803*
Red Hat Update Infrastructure 5RedHatrhui5/rhua-rhel9:1773670137*
EglibcUbuntuesm-infra-legacy/trusty*
GlibcUbuntudevel*
GlibcUbuntuesm-infra-legacy/xenial*
GlibcUbuntuesm-infra/bionic*
GlibcUbuntuesm-infra/focal*
GlibcUbuntuesm-infra/xenial*
GlibcUbuntujammy*
GlibcUbuntunoble*
GlibcUbuntuquesting*
GlibcUbunturesolute*
GlibcUbuntuupstream*

Potential Mitigations

References

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