UBUNTU-CVE-2021-3420
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-3420
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2021-3420, https://sourceware.org/git/?p=newlib-cygwin.git;a=commit;h=aa106b29a6a8a1b0df9e334704292cbc32f2d44e, https://www.cve.org/CVERecord?id=CVE-2021-3420
Affected packages
Package
Name: newlib
Purl: pkg:deb/ubuntu/[email protected]+git20150830.5a3d536-1?arch=source&distro=xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
2.1.0+git20141201.db59ff3-2
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
