This is fixed in active development release (hirsute): python-apt (2.1.7) unstable; urgency=medium
* SECURITY UPDATE: various memory and file descriptor leaks (LP: #1899193) - python/arfile.cc, python/generic.h, python/tag.cc, python/tarfile.cc: fix file descriptor and memory leaks - python/apt_instmodule.cc, python/apt_instmodule.h, python/arfile.h: Avoid reference cycle with control,data members in apt_inst.DebFile objects - tests/test_cve_2020_27351.py: Test cases for DebFile (others not easily testable) * Regression fixes for the updates merged too: - arfile.cc: Fix segmentation fault when opening fd, track lifetime correctly (Closes: #977000) - arfile: Regression: Collect file<->deb/ar reference cycles -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python-apt in Ubuntu. https://bugs.launchpad.net/bugs/1907676 Title: segmentation fault when opening fd Status in python-apt package in Ubuntu: Fix Released Status in python-apt source package in Xenial: New Status in python-apt source package in Bionic: New Status in python-apt source package in Focal: New Status in python-apt source package in Groovy: New Status in python-apt package in Debian: Unknown Bug description: [Impact] USN-4668-1 introduced a regression in python-apt when using certain APIs with a file handle. [Test case] # Landscape scenario: 1) On the Landscape server, create a package profile that installs a single package, 'hello' is enough. 2) On the Landscape server, apply the package profile to a client 3) On the Landscape client, verify that there is no segfault message on '/var/log/kern.log' 4) On the Landscape server, verify that the activity to apply the package profile ends with success. Step 3) would show a segfault and step 4), the activity would stay 'In Progress' forever. # dak scenario: dak crashes with a segmentation fault in python3-apt when processing uploads or processing the NEW queue on ftp-master; and also on my playground server (used to generate the backtrace). [Where problems could occurs] [Other info] See Debian bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=977000 Fix: https://salsa.debian.org/apt-team/python-apt/-/commit/3d9af5f196ad6a6c6973ac699a15888d21a9bb52 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/1907676/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp