Skip to main content

Svxlink: [GHSA-4f8x-49pf-3x5v: Buffer overflow in APRS message construction] (CVE-2026-73150)

0
Medium
Published: 08/13/2026 (08/13/2026, 00:00:00 UTC)
Source: GCVE Database
Product: svxlink

Description

A buffer overflow vulnerability exists in the APRS message construction component of Svxlink. This vulnerability affects multiple specific versions of Svxlink. No CVSS score is provided, but the severity is indicated as medium. There is no information on available patches or vendor advisories. No known exploits in the wild have been reported.

Affected software

Ubuntu:16.04:LTSmore threats →ghsa
svxlink
pkg:deb/ubuntu/svxlink?arch=source&distro=xenial
Affected versions
=14.08.1-1build1=14.08.1-2
Ubuntu:18.04:LTSmore threats →ghsa
svxlink
pkg:deb/ubuntu/svxlink?arch=source&distro=bionic
Affected versions
=15.11-2.1=15.11+20171207~git445-380e5333-1=17.12.1-1=17.12.1-2
Ubuntu:20.04:LTSmore threats →ghsa
svxlink
pkg:deb/ubuntu/svxlink?arch=source&distro=focal
Affected versions
=17.12.2-4=19.09.1-1=19.09.1-2
Ubuntu:22.04:LTSmore threats →ghsa
svxlink
pkg:deb/ubuntu/svxlink?arch=source&distro=jammy
Affected versions
=19.09.1-3
Ubuntu:24.04:LTSmore threats →ghsa
svxlink
pkg:deb/ubuntu/svxlink?arch=source&distro=noble
Affected versions
=19.09.2-1=19.09.2-1build1=19.09.2-1.1build2=19.09.2-1.1build3
Ubuntu:26.10more threats →ghsa
svxlink
pkg:deb/ubuntu/svxlink?arch=source&distro=stonking
Affected versions
=25.05.1-4=25.05.1-4ubuntu1=25.05.1-4ubuntu2=26.05.1-1
Ubuntu:26.04:LTSmore threats →ghsa
svxlink
pkg:deb/ubuntu/svxlink?arch=source&distro=resolute
Affected versions
=24.02-5=25.05.1-2=25.05.1-4

Run 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

AILast updated: 10/17/2026, 23:48:21 UTC

Technical Analysis

CVE-2026-73150 describes a buffer overflow vulnerability in the APRS message construction functionality of the Svxlink software. This vulnerability affects multiple explicitly listed versions of Svxlink, including versions 14.08.1-1build1 through 26.05.1-2. The vulnerability could potentially lead to memory corruption issues due to improper handling of APRS message data. No further technical details or exploitation methods are provided in the source data.

Potential Impact

The buffer overflow could allow an attacker to cause memory corruption, potentially leading to application crashes or other unintended behavior. However, no known exploits in the wild have been reported, and the severity is assessed as medium. The exact impact depends on the context in which APRS message construction is used within Svxlink.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fixes or patches are referenced in the provided data. Users should monitor official Svxlink or distribution vendor advisories for updates addressing this vulnerability.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-73150
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: 6ad3f58c2cdf04f6566621cb

Added to database: 10/17/2026, 22:24:12 UTC

Last enriched: 10/17/2026, 23:48:21 UTC

Last updated: 10/17/2026, 23:48:21 UTC

Views: 3

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses