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%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | mediawiki | < 1:1.35.2-1 | mediawiki_1:1.35.2-1_all.deb |
Debian | 11 | all | mediawiki | < 1:1.35.2-1 | mediawiki_1:1.35.2-1_all.deb |
Debian | 10 | all | mediawiki | < 1:1.31.14-1~deb10u1 | mediawiki_1:1.31.14-1~deb10u1_all.deb |
Debian | 999 | all | mediawiki | < 1:1.35.2-1 | mediawiki_1:1.35.2-1_all.deb |
Debian | 13 | all | mediawiki | < 1:1.35.2-1 | mediawiki_1:1.35.2-1_all.deb |
Debian | 12 | all | pygments | < 2.7.1+dfsg-2.1 | pygments_2.7.1+dfsg-2.1_all.deb |
Debian | 11 | all | pygments | < 2.7.1+dfsg-2.1 | pygments_2.7.1+dfsg-2.1_all.deb |
Debian | 10 | all | pygments | < 2.3.1+dfsg-1+deb10u2 | pygments_2.3.1+dfsg-1+deb10u2_all.deb |
Debian | 999 | all | pygments | < 2.7.1+dfsg-2.1 | pygments_2.7.1+dfsg-2.1_all.deb |
Debian | 13 | all | pygments | < 2.7.1+dfsg-2.1 | pygments_2.7.1+dfsg-2.1_all.deb |
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%