Description
A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer overflow, leading to an allocation of a small buffer and then to a heap-based buffer overflow.
Published: 2021-03-05
Score: 9.8 Critical
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-2021-26748 A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer overflow, leading to an allocation of a small buffer and then to a heap-based buffer overflow.
History

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Subscriptions

Fedoraproject Fedora
Newlib Project Newlib
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T16:53:17.747Z

Reserved: 2021-03-02T00:00:00.000Z

Link: CVE-2021-3420

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-03-05T21:15:13.437

Modified: 2024-11-21T06:21:27.753

Link: CVE-2021-3420

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses