Inetutils: [use of uninitialized struct sigaction] (CVE-2026-95510)
Description
CVE-2026-95510 is a medium severity vulnerability in inetutils involving the use of an uninitialized struct sigaction. This flaw affects multiple specific versions of inetutils, primarily in Ubuntu package releases. No CVSS score is provided, and no known exploits or patches are currently documented.
Affected software
pkg:deb/ubuntu/inetutils?arch=source&distro=esm-infra-legacy/trustypkg:deb/ubuntu/inetutils?arch=source&distro=esm-apps-legacy/xenialpkg:deb/ubuntu/inetutils?arch=source&distro=esm-apps/bionicpkg:deb/ubuntu/inetutils?arch=source&distro=esm-apps/focalpkg:deb/ubuntu/inetutils?arch=source&distro=esm-apps/jammypkg:deb/ubuntu/inetutils?arch=source&distro=noblepkg:deb/ubuntu/inetutils?arch=source&distro=stonkingpkg:deb/ubuntu/inetutils?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-95510 in inetutils is due to the use of an uninitialized struct sigaction. This can lead to undefined behavior in signal handling within the affected versions of inetutils. The issue is documented across numerous Ubuntu package versions, but no detailed technical exploitation or impact beyond the uninitialized struct usage is provided. There is no information on available patches or vendor advisories, and no known exploits have been reported in the wild.
Potential Impact
The impact is classified as medium severity based on the description of uninitialized struct usage, which may cause unpredictable behavior or potential security risks in signal handling. However, without further details or known exploits, the exact impact on confidentiality, integrity, or availability cannot be precisely determined.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should monitor vendor communications for updates. No specific mitigation steps are provided in the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-95510
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:Pro:14.04:LTS","Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:Pro:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]
Threat ID: 6ad3f5172cdf04f656657c5e
Added to database: 10/17/2026, 22:22:15 UTC
Last enriched: 10/17/2026, 23:01:05 UTC
Last updated: 10/17/2026, 23:01:05 UTC
Views: 2
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