Svxlink: [GHSA-mh75-5pr3-qv2p: NetRx: out-of-bounds read via unvalidated MsgAudio length] (CVE-2026-73149)
Description
CVE-2026-73149 is an out-of-bounds read vulnerability in Svxlink's NetRx component caused by unvalidated MsgAudio length. This flaw can lead to reading memory beyond intended bounds, potentially causing application instability or information disclosure. Multiple specific Svxlink versions are affected. No CVSS score is provided, but the impact is assessed as medium severity. There is no information about available patches or vendor advisories. No known exploits are reported in the wild.
Affected software
pkg:deb/ubuntu/svxlink?arch=source&distro=xenialpkg:deb/ubuntu/svxlink?arch=source&distro=bionicpkg:deb/ubuntu/svxlink?arch=source&distro=focalpkg:deb/ubuntu/svxlink?arch=source&distro=jammypkg:deb/ubuntu/svxlink?arch=source&distro=noblepkg:deb/ubuntu/svxlink?arch=source&distro=stonkingpkg:deb/ubuntu/svxlink?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-2026-73149 affects the Svxlink software, specifically in the NetRx component. It arises from an out-of-bounds read triggered by an unvalidated MsgAudio length parameter. This can cause the program to read memory outside the allocated buffer, which may lead to crashes or unintended data exposure. The affected versions include multiple specific builds of Svxlink ranging from version 14.08.1-1build1 through 26.05.1-2. No CVSS score or detailed vendor remediation information is available in the provided data.
Potential Impact
The out-of-bounds read vulnerability can cause application instability such as crashes or potentially expose sensitive memory contents. There is no evidence of active exploitation in the wild. The severity is medium based on the nature of the flaw and lack of known exploits.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should monitor official Svxlink channels for updates. No vendor advisory or patch links are provided in the current data.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-73149
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:16.04:LTS","Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]
Threat ID: 6ad3f58c2cdf04f6566621cc
Added to database: 10/17/2026, 22:24:12 UTC
Last enriched: 10/17/2026, 23:48:25 UTC
Last updated: 10/17/2026, 23:48:25 UTC
Views: 3
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