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CVE-2007-0086

** DISPUTED ** The Apache HTTP Server, when accessed through a TCP connection with a large...

7.8 HighDisputed

CVE-2007-0086 is a high vulnerability (CVSS 7.8) in Apache Http Server, published January 5, 2007. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 10.2%, the 95th percentile.

What does this mean?
Severity
7.8 HighCVSS 2.0, NVD
Exploit chance
10.2%EPSS, 95th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal

Exploit likelihood

10.2%Up 8.7 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
apache2
Debian:12
All versions, plus listed versions
2.4.57-22.4.57-32.4.58-12.4.59-12.4.59-1~deb10u1
Show 45 moreShow less
2.4.59-1~deb11u12.4.59-1~deb12u12.4.59-22.4.60-12.4.61-12.4.61-1~deb11u12.4.61-1~deb12u12.4.62-12.4.62-1~deb11u12.4.62-1~deb11u22.4.62-1~deb12u12.4.62-1~deb12u22.4.62-22.4.62-32.4.62-42.4.62-52.4.62-62.4.63-12.4.64-12.4.65-12.4.65-1~deb11u12.4.65-1~deb12u12.4.65-22.4.65-32.4.66-12.4.66-1~deb11u12.4.66-1~deb12u12.4.66-1~deb12u22.4.66-1~deb13u12.4.66-1~deb13u22.4.66-22.4.66-32.4.66-42.4.66-52.4.66-62.4.66-72.4.66-82.4.67-12.4.67-1~deb11u12.4.67-1~deb11u22.4.67-1~deb11u32.4.67-1~deb12u12.4.67-1~deb12u22.4.67-1~deb12u32.4.67-1~deb13u1
None known
apache2
Debian:13
All versions, plus listed versions
2.4.65-22.4.65-32.4.66-12.4.66-1~deb11u12.4.66-1~deb12u1
Show 27 moreShow less
2.4.66-1~deb12u22.4.66-1~deb13u12.4.66-1~deb13u22.4.66-22.4.66-32.4.66-42.4.66-52.4.66-62.4.66-72.4.66-82.4.67-12.4.67-1~deb11u12.4.67-1~deb11u22.4.67-1~deb11u32.4.67-1~deb12u12.4.67-1~deb12u22.4.67-1~deb12u32.4.67-1~deb13u12.4.67-1~deb13u22.4.67-1~deb13u32.4.67-22.4.68-12.4.68-1~deb12u12.4.68-1~deb13u12.4.68-22.4.69-12.4.69-1~deb13u1
None known
apache2
Debian:14
All versions, plus listed versions
2.4.65-22.4.65-32.4.66-12.4.66-1~deb11u12.4.66-1~deb12u1
Show 27 moreShow less
2.4.66-1~deb12u22.4.66-1~deb13u12.4.66-1~deb13u22.4.66-22.4.66-32.4.66-42.4.66-52.4.66-62.4.66-72.4.66-82.4.67-12.4.67-1~deb11u12.4.67-1~deb11u22.4.67-1~deb11u32.4.67-1~deb12u12.4.67-1~deb12u22.4.67-1~deb12u32.4.67-1~deb13u12.4.67-1~deb13u22.4.67-1~deb13u32.4.67-22.4.68-12.4.68-1~deb12u12.4.68-1~deb13u12.4.68-22.4.69-12.4.69-1~deb13u1
None known

What each source reports

NVD Score used7.8

The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal

Record
CVE-2007-0086
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness
CWE-400
Updated
2026-11-02
CVE ListNo score

The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal

Record
CVE-2007-0086
Updated
2026-11-02
EUVDEUVD-2007-0090No score

The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal

Record
EUVD-2007-0090
Updated
2026-11-03
GitHub AdvisoriesGHSA-vfvv-gfh6-h8qcNo score

** DISPUTED ** The Apache HTTP Server, when accessed through a TCP connection with a large...

** DISPUTED ** The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal.

Record
GHSA-vfvv-gfh6-h8qc
Weakness
CWE-400
Updated
2026-11-02
OSVNo score

The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal

Record
CVE-2007-0086
Updated
2026-11-02
OSVDEBIAN-CVE-2007-0086No score

The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal

Record
DEBIAN-CVE-2007-0086
Updated
2026-11-02

History

History
RecordedChangedSources
affected, aliases, facts
facts
aliasesEUVD
affected, aliases, references
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

This page doesn't list everything

Left out here: 9 versions. The JSON record has them.

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