Canonical Apport up to 2.28.3/2.34.1/2.35.x apport-unpack path traversal

Summaryinfo

A vulnerability described as problematic has been identified in Canonical Apport up to 2.28.3/2.34.1/2.35.x. Affected is an unknown function of the component apport-unpack. Such manipulation leads to path traversal. This vulnerability is documented as CVE-2026-77113. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Canonical Apport up to 2.28.3/2.34.1/2.35.x. Affected by this issue is an unknown code block of the component apport-unpack. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is integrity, and availability. CVE summarizes:

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.

The advisory is available at launchpad.net. This vulnerability is handled as CVE-2026-77113 since 08/20/2026. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 2.28.4, 2.34.2 or 2.36.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-63758). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Canonical

Name

• Apport

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.28.0
• 2.28.1
• 2.28.2
• 2.28.3
• 2.29
• 2.30
• 2.31
• 2.32
• 2.33
• 2.34
• 2.34.0
• 2.34.1
• 2.35

License

• free

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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CVSSv3info

CVSSv2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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