Null Pointer Dereference Vulnerability in Newlib C Library
CVE-2019-14876

6.5MEDIUM

Key Information:

Vendor
Red Hat
Status
Newlib
Vendor
CVE Published:
19 March 2020

Summary

An unhandled null pointer dereference flaw exists in the lshift function of the Newlib libc library, where memory allocation for big integers fails without proper validation. This oversight can lead to unexpected application crashes when an attempt is made to access unallocated memory, resulting in a critical operational failure for affected systems.

Affected Version(s)

newlib all newlib versions prior to 3.3.0

References

https://census-labs.com/news/2020/01/31/multiple-null-poi...
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CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.