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Alpine Linux: CVE-2021-3420: Integer Overflow or Wraparound

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Alpine Linux: CVE-2021-3420: Integer Overflow or Wraparound

Severity
7
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
03/05/2021
Created
08/23/2024
Added
08/22/2024
Modified
08/23/2024

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.

Solution(s)

  • alpine-linux-upgrade-newlib

References

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