Vulnerability CVE-2021-31870: Information

Description

An issue was discovered in klibc before 2.0.9. Multiplication in the calloc() function may result in an integer overflow and a subsequent heap buffer overflow.

Severity: CRITICAL (9.8) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

URL: https://nvd.nist.gov/vuln/detail/CVE-2021-31870
Published: April 30, 2021
Modified: April 19, 2022
Error type identifier: CWE-190

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
klibcsisyphus2.0.9-alt12.0.13-alt1ALT-PU-2021-1803-1271846Fixed
klibcsisyphus_riscv642.0.9-alt12.0.13-alt1ALT-PU-2022-3464-1-Fixed
klibcp102.0.9-alt12.0.9-alt1ALT-PU-2021-1803-1271846Fixed
klibcc10f12.0.9-alt12.0.9-alt1ALT-PU-2021-1803-1271846Fixed
klibcc9f22.0.8-alt2.c9f2.12.0.8-alt2.c9f2.1ALT-PU-2022-1761-1298875Fixed
klibcp112.0.9-alt12.0.13-alt1ALT-PU-2021-1803-1271846Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://kernel.org/pub/linux/libs/klibc/2.0/
  • Release Notes
  • Third Party Advisory
https://lists.zytor.com/archives/klibc/2021-April/004593.html
  • Mailing List
  • Release Notes
  • Third Party Advisory
https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=292650f04c2b5348b4efbad61fb014ed09b4f3f2
  • Patch
  • Third Party Advisory
[oss-security] 20210430 [ANNOUNCE] klibc 2.0.9
  • Mailing List
  • Release Notes
  • Third Party Advisory
[debian-lts-announce] 20210628 [SECURITY] [DLA 2695-1] klibc security update
  • Mailing List
  • Third Party Advisory

    1. Configuration 1

      cpe:2.3:a:klibc_project:klibc:*:*:*:*:*:*:*:*
      End excliding
      2.0.9

      Configuration 2

      cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
VKontakte|Telegram|YouTube|Forum|GitHub|Bugzilla
Version: v24.5.3
Back to top