The vulnerability in the array distribution of the library for working with PKCS P11-kit modules allows a hacker to cause a service failure.

🗓️ 23 Jun 2021 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType

bdu_fstec

bdu_fstec🔗 bdu.fstec.ru👁 3 Views

A numerical overflow in PKCS P11-kit library allows remote exploitation to crash the service via realloc or calloc.

Reporter	Title	Published	Views	Family All 126
IBM Security Bulletins	Security Bulletin: Cloud Pak for Security uses packages that are vulnerable to several CVEs	19 Oct 202115:38	–	ibm
IBM Security Bulletins	Security Bulletin: IBM QRadar SIEM Application Framework Base Image is vulnerable to using components with Known Vulnerabilities	3 Dec 202118:52	–	ibm
IBM Security Bulletins	Security Bulletin: Multiple vulnerabilities in go.etcd.io/etcd package affects IBM Watson Machine Learning Accelerator on Cloud Pak for Data	6 Dec 202316:17	–	ibm
Tenable Nessus	Amazon Linux 2 : p11-kit (ALAS-2021-1601)	12 Mar 202100:00	–	nessus
Tenable Nessus	Alibaba Cloud Linux 3 : 0088: p11-kit (ALINUX3-SA-2022:0088)	14 May 202500:00	–	nessus
Tenable Nessus	AlmaLinux 8 : p11-kit (ALSA-2021:1609)	9 Feb 202200:00	–	nessus
Tenable Nessus	CentOS 8 : p11-kit (CESA-2021:1609)	19 May 202100:00	–	nessus
Tenable Nessus	Debian DLA-2513-1 : p11-kit security update	5 Jan 202100:00	–	nessus
Tenable Nessus	Debian DSA-4822-1 : p11-kit - security update	4 Jan 202100:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP9 : p11-kit (EulerOS-SA-2021-1015)	4 Jan 202100:00	–	nessus

Vulners

Node

novell suse_linux_enterprise_high_performance_computingMatch15-ltssaurora

OR

daiki_ueno p11-kitRange0.21.1–0.23.21aurora

OR

novell suse_linux_enterprise_server_for_sap_applicationsMatch15

OR

novell suse_linux_enterprise_serverMatch15-espos

Source	Link
github	www.github.com/p11-glue/p11-kit/releases
nvd	www.nvd.nist.gov/vuln/detail/CVE-2020-29361
security-tracker	www.security-tracker.debian.org/tracker/CVE-2020-29361
strelets	www.strelets.net/patchi-i-obnovleniya-bezopasnosti
wiki	www.wiki.astralinux.ru/astra-linux-se16-bulletin-20210611SE16
wiki	www.wiki.astralinux.ru/astra-linux-se81-bulletin-20211019SE81
wiki	www.wiki.astralinux.ru/pages/viewpage.action
debian	www.debian.org/security/2021/dsa-4822
suse	www.suse.com/security/cve/CVE-2020-29361/
xn--80ahaefyxhn	www.xn--80ahaefyxhn.xn--j1afgaq.xn--p1ai/bin/view/%D0%9E%D0%A1%D0%BD%D0%BE%D0%B2%D0%B0/%D0%9E%D0%B1%D0%BD%D0%BE%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F/2.1/

05 Sep 2025 00:00Current

7High risk

Vulners AI Score7

CVSS 25

CVSS 36.5

EPSS0.0335

numerical overflow pkcs modules remote exploitation service crash memory allocation