CVEvulnerability

CVE-2018-6551

9.8 CRITICAL Published 2018-02-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-02-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-190, CWE-787

Description

The malloc implementation in the GNU C Library (aka glibc or libc6), from version 2.24 to 2.26 on powerpc, and only in version 2.26 on i386, did not properly handle malloc calls with arguments close to SIZE_MAX and could return a pointer to a heap region that is smaller than requested, eventually leading to heap corruption.

Affected configurations

• gnu glibc (>= 2.24 <= 2.26)

Related

Weakness · CWE (2)

  • CWE-190 Integer Overflow or Wraparound weakness
  • CWE-787 Out-of-bounds Write weakness

References