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ubuntucveUbuntu.comUB:CVE-2021-44686
HistoryDec 07, 2021 - 12:00 a.m.

CVE-2021-44686

2021-12-0700:00:00
ubuntu.com
ubuntu.com
11
calibre
redos
vulnerability
html_preprocess_rules
ebooks
conversion
preprocess.py
unix

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

0.002

Percentile

62.2%

JSON

calibre before 5.32.0 contains a regular expression that is vulnerable to
ReDoS (Regular Expression Denial of Service) in html_preprocess_rules in
ebooks/conversion/preprocess.py.

Related

cve 1
openvas 3
cvelist 1
debiancve 1
mageia 1
veracode 1
osv 2
prion 1
fedora 1
nvd 1
nessus 1
cve
cve
CVE-2021-44686
2021-12-07 00:15:08
openvas
openvas
Mageia: Security Advisory (MGASA-2021-0593)
2022-01-28 00:00:00
Fedora: Security Advisory for calibre (FEDORA-2021-e42fadbcc3)
2021-12-23 00:00:00
Debian: Security Advisory (DLA-3862-1)
2024-09-03 00:00:00
cvelist
cvelist
CVE-2021-44686
2021-12-06 23:41:12
debiancve
debiancve
CVE-2021-44686
2021-12-07 00:15:08
mageia
mageia
Updated calibre packages fix security vulnerability
2021-12-30 19:41:51
veracode
veracode
Regular Expression Denial Of Service(ReDoS)
2021-12-14 20:50:02
osv
osv
CVE-2021-44686
2021-12-07 00:15:08
calibre - security update
2024-09-02 00:00:00
prion
prion
Code injection
2021-12-07 00:15:00
fedora
fedora
[SECURITY] Fedora 34 Update: calibre-4.23.0-8.fc34
2021-12-22 01:14:30
nvd
nvd
CVE-2021-44686
2021-12-07 00:15:08
nessus
nessus
Debian dla-3862 : calibre - security update
2024-09-02 00:00:00

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

0.002

Percentile

62.2%

JSON
Related for UB:CVE-2021-44686
cve1openvas3cvelist1debiancve1mageia1veracode1osv2prion1fedora1nvd1nessus1