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Tenable Nessus
Tenable Nessus
added 2025/08/30 12:0 a.m.4 views

Linux Distros Unpatched Vulnerability : CVE-2021-26813

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - markdown2 =1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can mak...

7.5CVSS6.7AI score0.02384EPSS
Exploits1References2
Tenable Nessus
Tenable Nessus
added 2023/08/31 12:0 a.m.21 views

FreeBSD : py-markdown2 -- regular expression denial of service vulnerability (c9b3324f-8e03-4ae3-89ce-8098cdc5bfa9)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the c9b3324f-8e03-4ae3-89ce-8098cdc5bfa9 advisory. - markdown2 =1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service...

7.5CVSS6.6AI score0.02384EPSS
Exploits1References4
OpenVAS
OpenVAS
added 2021/05/13 12:0 a.m.19 views

Fedora: Security Advisory for python-markdown2 (FEDORA-2021-77191478ad)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

7.5CVSS7.6AI score0.02384EPSS
Exploits1References2
OpenVAS
OpenVAS
added 2021/05/13 12:0 a.m.16 views

Fedora: Security Advisory for python-markdown2 (FEDORA-2021-e235a0da4a)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

7.5CVSS7.6AI score0.02384EPSS
Exploits1References2
OpenVAS
OpenVAS
added 2021/04/16 12:0 a.m.16 views

openSUSE: Security Advisory for python-markdown2 (openSUSE-SU-2021:0429-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

7.5CVSS7.5AI score0.02384EPSS
Exploits1References2
OSV
OSV
added 2021/03/03 4:15 p.m.17 views

CVE-2021-26813

markdown2 =1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time...

7.5CVSS7.4AI score
Exploits0References4
vulnersOsv
vulnersOsv
added 2021/03/03 4:15 p.m.16 views

aequitas (>=0.26.0 <=0.42.0), askbot (=0.12.3) +29 more potentially affected by CVE-2021-26813 via markdown2 (>=2.3.0 <=2.3.9)

markdown2 PYPI version =2.3.0, =0.26.0, =0.39.0, =0.1.0, =0.5.29, =3.8.3, =0.0.1, =0.4.1, =0.0.1, =0.7.0a1, =0.7.0a2 - markb =0.2.6 - mnemocards =0.1.1 and more Source cves: CVE-2021-26813 Source advisory: OSV:PYSEC-2021-20...

7.5CVSS6.6AI score0.02384EPSS
Exploits1
Cvelist
Cvelist
added 2021/03/03 3:17 p.m.40 views

CVE-2021-26813

markdown2 =1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time...

7.5AI score0.02384EPSS
Exploits1References4
CVE
CVE
added 2021/03/03 3:17 p.m.176 views

CVE-2021-26813

markdown2 is affected by CVE-2021-26813: a regular expression Denial of Service when processing crafted inputs. Vulnerable versions are &gt;=1.0.1.18 and before 2.4.0; a fix is available in 2.4.0. Remediate by upgrading to 2.4.0 or later. Public advisories in the connected documents confirm the C...

7.5CVSS7.2AI score0.02384EPSS
Exploits1References4Affected Software1
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