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githubGitHub Advisory DatabaseGHSA-JR9P-R423-9M2R
HistoryJun 02, 2021 - 9:44 p.m.

markdown2 Regular Expression Denial of Service

2021-06-0221:44:28
CWE-1333
GitHub Advisory Database
github.com
52
markdown2
regular expression
denial of service
vulnerability
software

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.003

Percentile

69.8%

JSON

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.

Affected configurations

Vulners
Node
markdown2_projectmarkdown2Range1.0.1.18–2.4.0
VendorProductVersionCPE
markdown2_projectmarkdown2*cpe:2.3:a:markdown2_project:markdown2:*:*:*:*:*:*:*:*

Related

openvas 4
ubuntucve 1
debiancve 1
suse 2
fedora 3
cvelist 1
osv 5
nessus 2
nvd 1
prion 1
veracode 1
freebsd 1
cve 1
kitploit 1
openvas
openvas
Fedora: Security Advisory for python-markdown2 (FEDORA-2021-0337384e41)
2021-05-13 00:00:00
Fedora: Security Advisory for python-markdown2 (FEDORA-2021-e235a0da4a)
2021-05-13 00:00:00
openSUSE: Security Advisory for python-markdown2 (openSUSE-SU-2021:0429-1)
2021-04-16 00:00:00
ubuntucve
ubuntucve
CVE-2021-26813
2021-03-03 00:00:00
debiancve
debiancve
CVE-2021-26813
2021-03-03 16:15:13
suse
suse
Security update for python-markdown2 (moderate)
2021-03-20 00:00:00
Security update for python-markdown2 (moderate)
2021-03-16 00:00:00
fedora
fedora
[SECURITY] Fedora 34 Update: python-markdown2-2.4.0-1.fc34
2021-05-10 01:07:00
[SECURITY] Fedora 33 Update: python-markdown2-2.4.0-1.fc33
2021-05-10 01:08:51
[SECURITY] Fedora 32 Update: python-markdown2-2.4.0-1.fc32
2021-05-10 00:52:56
cvelist
cvelist
CVE-2021-26813
2021-03-03 15:17:41
osv
osv
PYSEC-2021-20
2021-03-03 16:15:00
markdown2 Regular Expression Denial of Service
2021-06-02 21:44:28
CVE-2021-26813
2021-03-03 16:15:13
nessus
nessus
openSUSE Security Update : python-markdown2 (openSUSE-2021-429)
2021-03-17 00:00:00
FreeBSD : py-markdown2 -- regular expression denial of service vulnerability (c9b3324f-8e03-4ae3-89ce-8098cdc5bfa9)
2023-08-31 00:00:00
nvd
nvd
CVE-2021-26813
2021-03-03 16:15:13
prion
prion
Design/Logic Flaw
2021-03-03 16:15:00
veracode
veracode
Regular Expression Denial Of Service (ReDoS)
2021-03-04 04:44:25
freebsd
freebsd
py-markdown2 -- regular expression denial of service vulnerability
2021-03-03 00:00:00
cve
cve
CVE-2021-26813
2021-03-03 16:15:13
kitploit
kitploit
Regexploit - Find Regular Expressions Which Are Vulnerable To ReDoS (Regular Expression Denial Of Service)
2021-07-20 12:30:00

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.003

Percentile

69.8%

JSON
Related for GHSA-JR9P-R423-9M2R
openvas4ubuntucve1debiancve1suse2fedora3cvelist1osv5nessus2nvd1prion1veracode1freebsd1cve1kitploit1