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DEBIAN-CVE-2021-3618 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceDEBIAN-CVE-2021-3618

DEBIAN-CVE-2021-3618

UNKNOWN

(ALPACA is an application layer protocol content confusion attack, expl ...)

Published Jul 19, 2026

Modified 2 days ago

Fix available

Affected Packages

sendmail

Debian 10Debian 11Debian 9

vsftpd

Debian 10Debian 11Debian 12Debian 9

nginx

Debian 11

Fixed in:

1.18.0-6.1+deb11u2

nginx

Debian 9

References

https://security-tracker.debian.org/tracker/CVE-2021-3618

Related

CVE-2021-3618 DLA-3203-1

Ecosystems

Debian 10 Debian 11 Debian 12 Debian 9

Timeline

PublishedJul 19, 2026

ModifiedJul 19, 2026