jackd2: posix/JackSocket.cpp in libjack in JACK2 1.9.1 through 1.9.12 (asdistributed with alsa-plugins 1.1.7 and later) has a...
CVE-2019-13351 is fixed in 3 products on 1 platform, first by jackd2 1.9.12~dfsg-2ubuntu2, released July 5, 2019. It is not reported as exploited. Patch Radar priority: Routine.
posix/JackSocket.cpp in libjack in JACK2 1.9.1 through 1.9.12 (asdistributed with alsa-plugins 1.1.7 and later) has a "double filedescriptor close" issue during a failed connection attempt when jackd2 isnot running. Exploitation success depends on multithreaded timing of thatdouble close, which can result in unintended information disclosure,crashes, or file corruption due to having the wrong file associated withthe file descriptor.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| jackd2 · Ubuntu 20.04 LTS (focal) | 1.9.12~dfsg-2ubuntu2 | jackd2 1.9.12~dfsg-2ubuntu2 | Jul 5, 2019 |
| jackd2 · Ubuntu 24.10 (oracular) | 1.9.12~dfsg-2ubuntu2 | jackd2 1.9.12~dfsg-2ubuntu2 | Jan 16, 2026 |
| jackd2 · Ubuntu 25.04 (plucky) | 1.9.12~dfsg-2ubuntu2 | jackd2 1.9.12~dfsg-2ubuntu2 | Jan 16, 2026 |
| jackd2-firewire · Ubuntu 20.04 LTS (focal) | 1.9.12~dfsg-2ubuntu2 | jackd2-firewire 1.9.12~dfsg-2ubuntu2 | Jul 5, 2019 |
| jackd2-firewire · Ubuntu 24.10 (oracular) | 1.9.12~dfsg-2ubuntu2 | jackd2-firewire 1.9.12~dfsg-2ubuntu2 | Jan 16, 2026 |
| jackd2-firewire · Ubuntu 25.04 (plucky) | 1.9.12~dfsg-2ubuntu2 | jackd2-firewire 1.9.12~dfsg-2ubuntu2 | Jan 16, 2026 |
| libjack-jackd2-0 · Ubuntu 20.04 LTS (focal) | 1.9.12~dfsg-2ubuntu2 | libjack-jackd2-0 1.9.12~dfsg-2ubuntu2 | Jul 5, 2019 |
| libjack-jackd2-0 · Ubuntu 24.10 (oracular) | 1.9.12~dfsg-2ubuntu2 | libjack-jackd2-0 1.9.12~dfsg-2ubuntu2 | Jan 16, 2026 |
| libjack-jackd2-0 · Ubuntu 25.04 (plucky) | 1.9.12~dfsg-2ubuntu2 | libjack-jackd2-0 1.9.12~dfsg-2ubuntu2 | Jan 16, 2026 |
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