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TI-2026-53858 Aliases CVE-2026-77113GHSA-m4rr-rf2f-g267

Path Traversal Vulnerability in apport-unpack

Priority LOW 29CWE-23Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00197 9th percentileScored 2026-11-07
Fix Fixed Apport (Canonical): 2.36.0, 2.34.2, 2.28.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CanonicalApportbefore 2.36.0; before 2.34.2; before 2.28.42.36.0, 2.34.2, 2.28.4Patch availableCNA
  • Apport VendorCanonical Affected before 2.36.0; before 2.34.2; before 2.28.4 Fixed in 2.36.0, 2.34.2, 2.28.4 Patch available CNA

Remediation

  • Fix · CNA Apport (Canonical) Fixed in 2.36.0, 2.34.2, 2.28.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-77113
  2. 2026-10-03 Alias added: GHSA-m4rr-rf2f-g267

References

Patch 1

Advisory 1

  • TI-2020-09349 An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2. KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-05854 smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-12627 Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than… KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-07471 OS command injection in exim KEVCVSS 3.1CRITICAL 9.8
See all 4301 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences