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
8.1 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.5%
A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | apache2 | < 2.4.55-1 | apache2_2.4.55-1_all.deb |
Debian | 11 | all | apache2 | < 2.4.56-1~deb11u1 | apache2_2.4.56-1~deb11u1_all.deb |
Debian | 10 | all | apache2 | < 2.4.38-3+deb10u9 | apache2_2.4.38-3+deb10u9_all.deb |
Debian | 999 | all | apache2 | < 2.4.55-1 | apache2_2.4.55-1_all.deb |
Debian | 13 | all | apache2 | < 2.4.55-1 | apache2_2.4.55-1_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
8.1 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.5%