CVE-2021-31870
CVE-2021-31870
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 9.8 · Critical · EPSS 2.1% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
klibc Debian:12
- Affected ranges
- ECOSYSTEM: < 2.0.8-6
Update to 2.0.8-6
klibc Debian:13
- Affected ranges
- ECOSYSTEM: < 2.0.8-6
Update to 2.0.8-6
klibc Debian:14
- Affected ranges
- ECOSYSTEM: < 2.0.8-6
Update to 2.0.8-6
klibc Ubuntu:Pro:14.04:LTS
- Versions
- 2.0.1-3.1ubuntu2
- 2.0.2-1ubuntu1
- 2.0.2-1ubuntu2
- 2.0.3-0ubuntu1
- 2.0.3-0ubuntu1.14.04.1
- 2.0.3-0ubuntu1.14.04.2
- 2.0.3-0ubuntu1.14.04.3
- Affected ranges
- ECOSYSTEM: < 2.0.3-0ubuntu1.14.04.3+esm2
Update to 2.0.3-0ubuntu1.14.04.3+esm2
klibc Ubuntu:Pro:16.04:LTS
- Versions
- 2.0.3-0ubuntu1
- 2.0.4-4
- 2.0.4-6
- 2.0.4-7
- 2.0.4-8
- 2.0.4-8ubuntu1
- 2.0.4-8ubuntu1.16.04.1
- 2.0.4-8ubuntu1.16.04.2
- 2.0.4-8ubuntu1.16.04.3
- 2.0.4-8ubuntu1.16.04.4
- Affected ranges
- ECOSYSTEM: < 2.0.4-8ubuntu1.16.04.4+esm1
Update to 2.0.4-8ubuntu1.16.04.4+esm1
klibc Ubuntu:18.04:LTS
- Versions
- 2.0.4-9ubuntu1
- 2.0.4-9ubuntu2
- Affected ranges
- ECOSYSTEM: < 2.0.4-9ubuntu2.1
Update to 2.0.4-9ubuntu2.1
klibc Ubuntu:20.04:LTS
- Versions
- 2.0.6-1ubuntu1
- 2.0.6-1ubuntu2
- 2.0.7-1ubuntu1
- 2.0.7-1ubuntu3
- 2.0.7-1ubuntu4
- 2.0.7-1ubuntu5
- Affected ranges
- ECOSYSTEM: < 2.0.7-1ubuntu5.1
Update to 2.0.7-1ubuntu5.1
Original sources
- https://kernel.org/pub/linux/libs/klibc/2.0/
- https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=292650f04c2b5348b4efbad61fb014ed09b4f3f2
- https://lists.zytor.com/archives/klibc/2021-April/004593.html
- http://www.openwall.com/lists/oss-security/2021/04/30/1
- https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-31870