← All advisories

High severity7.5NVD Advisory· Published Apr 30, 2021· Updated Jun 17, 2026

CVE-2021-31871

CVE-2021-31871

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4

Klibc Project/Klibc
cpe:2.3:a:klibc_project:klibc:*:*:*:*:*:*:x64:*
Range: <2.0.9
Debian/linux
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
klibc/klibcllm-fuzzy2 versions
<2.0.9+ 1 more
- (no CPE)range: <2.0.9
- (no CPE)

Patches

Vulnerability mechanics

References

5

git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/nvdPatchThird Party Advisory
www.openwall.com/lists/oss-security/2021/04/30/1nvdMailing ListRelease NotesThird Party Advisory
kernel.org/pub/linux/libs/klibc/2.0/nvdRelease NotesThird Party Advisory
lists.debian.org/debian-lts-announce/2021/06/msg00025.htmlnvdMailing ListThird Party Advisory
lists.zytor.com/archives/klibc/2021-April/004593.htmlnvdMailing ListRelease NotesThird Party Advisory

News mentions

0

No linked articles in our index yet.