Description
The malloc function in the GNU C Library (aka glibc or libc6) 2.26 could return a memory block that is too small if an attempt is made to allocate an object whose size is close to SIZE_MAX, potentially leading to a subsequent heap overflow. This occurs because the per-thread cache (aka tcache) feature enables a code path that lacks an integer overflow check.
Published: 2017-12-05
Score: 8.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2017-8591 The malloc function in the GNU C Library (aka glibc or libc6) 2.26 could return a memory block that is too small if an attempt is made to allocate an object whose size is close to SIZE_MAX, potentially leading to a subsequent heap overflow. This occurs because the per-thread cache (aka tcache) feature enables a code path that lacks an integer overflow check.
Ubuntu USN Ubuntu USN USN-3534-1 GNU C Library vulnerabilities
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-09-16T16:32:49.604Z

Reserved: 2017-12-05T00:00:00.000Z

Link: CVE-2017-17426

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2017-12-05T17:29:00.940

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-17426

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-10-31T00:00:00Z

Links: CVE-2017-17426 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses