CVE-2018-6551 describes a critical heap corruption vulnerability in the GNU C Library (glibc) versions 2.24 to 2.26 on powerpc, and version 2.26 on i386. This flaw occurs when malloc is called with arguments near SIZE_MAX, potentially returning a smaller-than-requested heap region and leading to severe memory corruption. With a CVSS score of 9.8, this vulnerability is easily exploitable over a network with no user interaction, allowing for complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.24, <= 2.26CPE matchmatch criteria | cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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