DEBIAN-CVE-2018-11236

Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 18 May 2018, 16:29
Last modified:28 Apr 2026, 20:18

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 May 2018, 16:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:18
Last Modified
Vulnerability information updated

Description

stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.

CVSS Metrics

  • v3.0CRITICALScore: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debianglibc

    < 2.27-4 | < 2.27-4 | < 2.27-4 | < 2.27-4

References (1)