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UBUNTU-CVE-2026-11771 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceUBUNTU-CVE-2026-11771

UBUNTU-CVE-2026-11771

MEDIUM5.5

1-byte buffer overrun on NTLMv2 proxy responses

Published Jul 3, 2026

Modified 3 days ago

Fix available

Details

1-byte buffer overrun on NTLMv2 proxy responses

Affected Packages

openvpn

Ubuntu 24.04 LTS

Fixed in:

2.6.19-0ubuntu0.24.04.3

openvpn

Ubuntu 25.10

Affected versions:

2.6.13-1ubuntu32.6.14-1ubuntu12.6.14-2ubuntu12.6.14-2ubuntu1.12.6.19-0ubuntu0.25.10.12.6.19-0ubuntu0.25.10.2

openvpn

Ubuntu 26.04 LTS

Fixed in:

2.7.0-1ubuntu1.2

References

https://ubuntu.com/security/CVE-2026-11771

https://ubuntu.com/security/notices/USN-8540-1

https://www.cve.org/CVERecord?id=CVE-2026-11771

Upstream

Related

Ecosystems

Ubuntu 24.04 LTS Ubuntu 25.10 Ubuntu 26.04 LTS

Timeline

PublishedJul 3, 2026

ModifiedJul 14, 2026