Package: unbound
Version: 1.9.0-2+deb10u1
Severity: important
Tags: upstream patch

Dear Maintainer,

Unbound fails to answer TCP queries when it's per thread limit is
reached. The limit however is being reached too fast because an error
introduced in 1.9.0 in some cases wrongly disables the TCP idle-timeout
on a socket.

There has been an upstream discussion and fix here:
- https://nlnetlabs.nl/pipermail/unbound-users/2019-October/011858.html
- https://github.com/NLnetLabs/unbound/pull/122

-- System Information:
Debian Release: 10.2
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.3.0-0.bpo.2-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages unbound depends on:
ii  adduser         3.118
ii  dns-root-data   2019031302
ii  libc6           2.28-10
ii  libevent-2.1-6  2.1.8-stable-4
ii  libfstrm0       0.4.0-1
ii  libprotobuf-c1  1.3.1-1+b1
ii  libpython3.7    3.7.3-2
ii  libssl1.1       1.1.1d-0+deb10u2
ii  libsystemd0     241-7~deb10u2
ii  lsb-base        10.2019051400
ii  openssl         1.1.1d-0+deb10u2
ii  unbound-anchor  1.9.0-2+deb10u1

unbound recommends no packages.

Versions of packages unbound suggests:
ii  apparmor  2.13.2-10

-- Configuration Files:
/etc/unbound/unbound.conf changed [not included]

-- no debconf information

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