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Vulnerabilities

Vulnerability · CVE-2023-53966

SOUND4 LinkAndShare Transmitter 1.1.2 contains a format string vulnerability that allows attackers to trigger memory stack overflows through maliciously crafted environment variabl

Published Dec 22, 2025 · catalog updated Dec 22, 2025 · SOUND4 Ltd. SOUND4 LinkAndShare Transmitter

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-53966. EPSS is 0.73%. Act only if a listed version of SOUND4 Ltd. SOUND4 LinkAndShare Transmitter is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.73%
Remediation
Vendor / distro source
Affected products
vendor SOUND4 Ltd. SOUND4 LinkAndShare Transmitter 1.1.2

SOUND4 LinkAndShare Transmitter 1.1.2 contains a format string vulnerability that allows attackers to trigger memory stack overflows through maliciously crafted environment variables. Attackers can manipulate the username environment variable with format string payloads to potentially execute arbitrary code and crash the application.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor SOUND4 Ltd. SOUND4 LinkAndShare Transmitter 1.1.21.1.2

How to fix CVE-2023-53966

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-53966. EPSS is 0.73%. Act only if a listed version of SOUND4 Ltd. SOUND4 LinkAndShare Transmitter is installed.

Which versions are affected?

Compare what you have installed with SOUND4 Ltd. SOUND4 LinkAndShare Transmitter 1.1.2 1.1.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.73%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 22, 2025 · EUVD

    Detected

    SOUND4 LinkAndShare Transmitter 1.1.2 contains a format string vulnerability that allows attackers to trigger memory stack overflows through maliciously crafted environment variables. Attackers can manipulate the username environment variable with format string payloads to potentially execute arbitrary code and crash the application.

  2. Dec 22, 2025 · EUVD

    Updated

    SOUND4 LinkAndShare Transmitter 1.1.2 contains a format string vulnerability that allows attackers to trigger memory stack overflows through maliciously crafted environment variables. Attackers can manipulate the username environment variable with format string payloads to potentially execute arbitrary code and crash the application.

Sources

  • CVE.orgVulnerability recordCVE-2023-53966

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-53966

    30-day exploitation probability 0.73%

    first.org
  • EUVDVulnerability recordEUVD-2023-60228

    SOUND4 LinkAndShare Transmitter 1.1.2 contains a format string vulnerability that allows attackers to trigger memory stack overflows through maliciously crafted environment variables. Attackers can manipulate the username environment variable with format string payloads to potent

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 2, 2026
  • EUVDNov 1, 2026