CVE-2021-26691

CRITICAL

9.8

Description

In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published6/10/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

apache:http_serverdebian:debian_linuxfedoraproject:fedoranetapp:cloud_backuporacle:enterprise_manager_ops_centeroracle:instantis_enterprisetrackoracle:secure_backuporacle:zfs_storage_appliance_kit

Weaknesses (CWE)

CWE-122CWE-787

References

http://httpd.apache.org/security/vulnerabilities_24.html(security@apache.org)

http://www.openwall.com/lists/oss-security/2021/06/10/7(security@apache.org)

https://lists.apache.org/thread.html/r50cae1b71f1e7421069036b213c26da7d8f47dd59874e3bd956959fe%40%3Cannounce.httpd.apache.org%3E(security@apache.org)

https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E(security@apache.org)

https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E(security@apache.org)

https://lists.debian.org/debian-lts-announce/2021/07/msg00006.html(security@apache.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/(security@apache.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/(security@apache.org)

https://security.gentoo.org/glsa/202107-38(security@apache.org)

https://security.netapp.com/advisory/ntap-20210702-0001/(security@apache.org)

https://www.debian.org/security/2021/dsa-4937(security@apache.org)

https://www.oracle.com/security-alerts/cpujan2022.html(security@apache.org)

https://www.oracle.com/security-alerts/cpuoct2021.html(security@apache.org)

http://httpd.apache.org/security/vulnerabilities_24.html(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2021/06/10/7(af854a3a-2127-422b-91ae-364da2661108)

https://lists.apache.org/thread.html/r50cae1b71f1e7421069036b213c26da7d8f47dd59874e3bd956959fe%40%3Cannounce.httpd.apache.org%3E(af854a3a-2127-422b-91ae-364da2661108)

https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E(af854a3a-2127-422b-91ae-364da2661108)

https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2021/07/msg00006.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202107-38(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20210702-0001/(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2021/dsa-4937(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpujan2022.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpuoct2021.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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