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Medium 5.7
apport: Arbitrary file creation or overwrite via path traversal in base64-encoded problem report keys
In apport before 2.37.0, a path traversal vulnerability allows an attacker who can supply a crafted crash report to cause unintended file creation or overwrite outside the intended extraction directory when the report is processed with apport-unpack. The key-…
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Medium 6.7CVE-2026-77113 Public exploit
Path Traversal Vulnerability in apport-unpack
Path traversal in apport-unpack in Canonical Apport before 2.36.0, 2.34.2, and 2.28.4 on Linux allows an attacker to create or overwrite arbitrary files with the privileges of the executing user via an attacker controlled key names in crash report files.
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Medium 4.7CVE-2025-5054 Public exploit
Race Condition in Canonical Apport
Race condition in Canonical apport up to and including 2.32.0 allows a local attacker to leak sensitive information via PID-reuse by leveraging namespaces. When handling a crash, the function `_check_global_pid_and_forward`, which detects if the crashing proc…
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Medium 5.5
Apport argument parsing mishandles filename splitting on older kernels resulting in argument spoofing
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Medium 5.5
is_closing_session() allows users to consume RAM in the Apport process
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Medium 5.5
is_closing_session() allows users to fill up apport.log
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Medium 5.5
~/.config/apport/settings parsing is vulnerable to "billion laughs" attack
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Medium 6.5
Apport info disclosure via path traversal bug in read_file
An information disclosure via path traversal was discovered in apport/hookutils.py function read_file(). This issue affects: apport 2.14.1 versions prior to 2.14.1-0ubuntu3.29+esm8; 2.20.1 versions prior to 2.20.1-0ubuntu2.30+esm2; 2.20.9 versions prior to 2.…
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Medium 6.5
Apport file permission bypass through emacs byte compilation errors
Function check_attachment_for_errors() in file data/general-hooks/ubuntu.py could be tricked into exposing private data via a constructed crash file. This issue affects: apport 2.14.1 versions prior to 2.14.1-0ubuntu3.29+esm8; 2.20.1 versions prior to 2.20.1-…
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Medium 5.2
apport process_report() arbitrary file write
It was discovered that the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks.
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Medium 5.5
Unhandled exception in apport
An unhandled exception in check_ignored() in apport/report.py can be exploited by a local attacker to cause a denial of service. If the mtime attribute is a string value in apport-ignore.xml, it will trigger an unhandled exception, resulting in a crash. Fixed…
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Medium 6.5
World writable root owned lock file created in user controllable location
Apport creates a world writable lock file with root ownership in the world writable /var/lock/apport directory. If the apport/ directory does not exist (this is not uncommon as /var/lock is a tmpfs), it will create the directory, otherwise it will simply cont…
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Medium 5.6
Apport race condition in crash report permissions
Time-of-check Time-of-use Race Condition vulnerability on crash report ownership change in Apport allows for a possible privilege escalation opportunity. If fs.protected_symlinks is disabled, this can be exploited between the os.open and os.chown calls when t…
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Medium 4.2
Race condition between reading current working directory and writing a core dump
Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core files to be written in arbitrary directories.