Description
An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.
References (5)
Core 5
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://kernel.org/pub/linux/libs/klibc/2.0/
Mailing List, Release Notes, Third Party Advisory x_refsource_misc
https://lists.zytor.com/archives/klibc/2021-April/004593.html
Patch, Third Party Advisory x_refsource_misc
https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=2e48a12ab1e30d43498c2d53e878a11a1b5102d5
Mailing List, Release Notes, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/04/30/1
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html
Scores
CVSS v3
7.5
EPSS
0.0186
EPSS Percentile
76.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-190
Status
published
Products (2)
debian/debian_linux
9.0
klibc_project/klibc
< 2.0.9
Published
Apr 30, 2021
Tracked Since
Feb 18, 2026