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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2021-27291
HistoryMar 17, 2021 - 1:15 p.m.

CVE-2021-27291

2021-03-1713:15:00
Alpine Linux Development Team
security.alpinelinux.org
12

7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.01 Low

EPSS

Percentile

83.1%

JSON

In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the regular expressions have exponential or cubic worst-case complexity and are vulnerable to ReDoS. By crafting malicious input, an attacker can cause a denial of service.

OSVersionArchitecturePackageVersionFilename
Alpine3.11-mainnoarchpy3-pygments< 2.5.2-r1UNKNOWN
Alpine3.12-mainnoarchpy3-pygments< 2.6.1-r1UNKNOWN

Related

prion 1
nessus 37
osv 15
openvas 23
suse 3
debiancve 1
ubuntu 2
cve 1
veracode 1
debian 5
fedora 2
redhatcve 1
github 1
amazon 2
cbl_mariner 2
ubuntucve 1
mageia 2
oraclelinux 3
freebsd 1
rocky 3
almalinux 3
redhat 5
photon 4
altlinux 1
kitploit 1
ibm 2
prion
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Denial of service
2021-03-17 13:15:00
nessus
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SUSE SLES15 Security Update : python-Pygments (SUSE-SU-2021:3841-1)
2021-12-02 00:00:00
SUSE SLED15 / SLES15 Security Update : python-Pygments (SUSE-SU-2021:3840-1)
2021-12-02 00:00:00
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2023-07-20 00:00:00
osv
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PYSEC-2021-141
2021-03-17 13:15:00
pygments vulnerability
2021-03-30 16:33:13
Pygments vulnerable to Regular Expression Denial of Service (ReDoS)
2021-03-29 16:33:03
openvas
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SUSE: Security Advisory (SUSE-SU-2021:3841-1)
2021-12-02 00:00:00
Huawei EulerOS: Security Advisory for python-pygments (EulerOS-SA-2021-2228)
2021-07-19 00:00:00
Debian: Security Advisory (DSA-4878-1)
2021-03-30 00:00:00
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Security update for python-Pygments (important)
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Security update for python-Pygments (important)
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Security update for python-Pygments (important)
2021-12-01 00:00:00
debiancve
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CVE-2021-27291
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ubuntu
ubuntu
Pygments vulnerability
2021-03-30 00:00:00
Pygments vulnerabilities
2023-08-14 00:00:00
cve
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CVE-2021-27291
2021-03-17 13:15:00
veracode
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2021-03-18 05:32:25
debian
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[SECURITY] [DSA 4878-1] pygments security update
2021-03-27 13:58:51
[SECURITY] [DLA 2600-1] pygments security update
2021-03-19 17:21:51
[SECURITY] [DLA 2648-2] mediawiki regression update
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fedora
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[SECURITY] Fedora 33 Update: python-pygments-2.6.1-6.fc33
2021-05-06 00:53:56
[SECURITY] Fedora 32 Update: python-pygments-2.4.2-9.fc32
2021-05-06 00:58:53
redhatcve
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CVE-2021-27291
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Pygments vulnerable to Regular Expression Denial of Service (ReDoS)
2021-03-29 16:33:03
amazon
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Medium: python3-pygments
2023-07-05 22:01:00
Medium: python-pygments
2023-08-03 18:10:00
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CVE-2021-27291 affecting package python-pygments 2.4.2-6
2021-04-06 23:50:13
ubuntucve
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CVE-2021-27291
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(RHSA-2021:4150) Moderate: python36:3.6 security and bug fix update
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(RHSA-2021:0781) Moderate: Red Hat Ansible Automation Platform 1.2.2 security and bug fix update
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Critical Photon OS Security Update - PHSA-2021-0253
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7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.01 Low

EPSS

Percentile

83.1%

JSON
Related for ALPINE:CVE-2021-27291
prion1nessus37osv15openvas23suse3debiancve1ubuntu2cve1veracode1debian5fedora2redhatcve1github1amazon2cbl_mariner2ubuntucve1mageia2oraclelinux3freebsd1rocky3almalinux3redhat5photon4altlinux1kitploit1ibm2