CVE-2021-26690
Summary
| CVE | CVE-2021-26690 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-06-10 07:15:00 UTC |
| Updated | 2023-11-07 03:31:00 UTC |
| Description | Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service |
Risk And Classification
Problem Types: CWE-476
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Apache | Http Server | All | All | All | All |
| Operating System | Debian | Debian Linux | 10.0 | All | All | All |
| Operating System | Debian | Debian Linux | 9.0 | All | All | All |
| Operating System | Fedoraproject | Fedora | 34 | All | All | All |
| Operating System | Fedoraproject | Fedora | 35 | All | All | All |
| Application | Oracle | Enterprise Manager Ops Center | 12.4.0.0 | All | All | All |
| Application | Oracle | Instantis Enterprisetrack | 17.1 | All | All | All |
| Application | Oracle | Instantis Enterprisetrack | 17.2 | All | All | All |
| Application | Oracle | Instantis Enterprisetrack | 17.3 | All | All | All |
| Application | Oracle | Zfs Storage Appliance Kit | 8.8 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Pony Mail! | MLIST | lists.apache.org | |
| Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project | CONFIRM | httpd.apache.org | |
| Pony Mail! | CONFIRM | lists.apache.org | |
| [SECURITY] Fedora 35 Update: httpd-2.4.49-1.fc35 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| [httpd-announce] 20210609 CVE-2021-26690: mod_session NULL pointer dereference | lists.apache.org | ||
| [SECURITY] Fedora 34 Update: httpd-2.4.49-1.fc34 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| June 2021 Apache HTTP Server Vulnerabilities in NetApp Products | NetApp Product Security | CONFIRM | security.netapp.com | |
| Oracle Critical Patch Update Advisory - October 2021 | MISC | www.oracle.com | |
| Debian -- Security Information -- DSA-4937-1 apache2 | DEBIAN | www.debian.org | |
| [SECURITY] [DLA 2706-1] apache2 security update | MLIST | lists.debian.org | |
| Apache: Multiple vulnerabilities (GLSA 202107-38) — Gentoo security | GENTOO | security.gentoo.org | |
| [httpd-dev] 20210610 Re: svn commit: r1890598 - in /httpd/site/trunk/content/security/json: CVE-2019-17567.json CVE-2020-13938.json CVE-2020-13950.json CVE-2020-35452.json CVE-2021-26690.json CVE-2021-26691.json CVE-2021-30641.json CVE-2021-31618.json | lists.apache.org | ||
| [SECURITY] Fedora 35 Update: httpd-2.4.49-1.fc35 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| oss-security - CVE-2021-26690: Apache httpd: mod_session NULL pointer dereference | MLIST | www.openwall.com | |
| Pony Mail! | MLIST | lists.apache.org | |
| [SECURITY] Fedora 34 Update: httpd-2.4.49-1.fc34 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
LEGACY: This issue was discovered and reported by GHSL team member @antonio-morales (Antonio Morales)
Legacy QID Mappings
- 150398 Apache HTTP Server Multiple Vulnerabilities(CVE-2021-26690,CVE-2021-26691)
- 159454 Oracle Enterprise Linux Security Update for httpd (ELSA-2021-9541)
- 159480 Oracle Enterprise Linux Security Update for httpd:2.4 (ELSA-2021-4257)
- 159557 Oracle Enterprise Linux Security Update for httpd:2.4 (ELSA-2021-9545)
- 178699 Debian Security Update for apache2 (DSA 4937-1)
- 178701 Debian Security Update for apache2 (DLA 2706-1)
- 179837 Debian Security Update for apache2 (CVE-2021-26690)
- 198413 Ubuntu Security Notification for Apache HTTP Server vulnerabilities (USN-4994-1)
- 239813 Red Hat Update for httpd:2.4 security (RHSA-2021:4257)
- 239865 Red Hat Update for red hat jboss core services apache Hypertext Transfer Protocol (HTTP) server 2.4.37 sp10 (RHSA-2021:4614)
- 281910 Fedora Security Update for Hypertext Transfer Protocol Daemon (HTTPd) (FEDORA-2021-dce7e7738e)
- 352395 Amazon Linux Security Advisory for httpd: ALAS2-2021-1659
- 352462 Amazon Linux Security Advisory for httpd: ALAS2-2021-1674
- 352477 Amazon Linux Security Advisory for httpd24: ALAS-2021-1514
- 377378 Alibaba Cloud Linux Security Update for httpd:2.4 (ALINUX3-SA-2022:0017)
- 378420 IBM Hypertext Transfer Protocol (HTTP) Server Multiple Vulnerabilities (6467651)
- 500021 Alpine Linux Security Update for apache2
- 503712 Alpine Linux Security Update for apache2
- 670540 EulerOS Security Update for httpd (EulerOS-SA-2021-2298)
- 670575 EulerOS Security Update for httpd (EulerOS-SA-2021-2333)
- 670623 EulerOS Security Update for httpd (EulerOS-SA-2021-2381)
- 670771 EulerOS Security Update for httpd (EulerOS-SA-2021-2529)
- 670795 EulerOS Security Update for httpd (EulerOS-SA-2021-2553)
- 670873 EulerOS Security Update for httpd (EulerOS-SA-2021-2381)
- 670939 EulerOS Security Update for httpd (EulerOS-SA-2021-2333)
- 671023 EulerOS Security Update for httpd (EulerOS-SA-2021-2586)
- 690107 Free Berkeley Software Distribution (FreeBSD) Security Update for apache httpd (cce76eca-ca16-11eb-9b84-d4c9ef517024)
- 710030 Gentoo Linux Apache Multiple vulnerabilities (GLSA 202107-38)
- 730109 Apache HTTP Server Multiple Vulnerabilities
- 750660 SUSE Enterprise Linux Security Update for apache2 (SUSE-SU-2021:2004-1)
- 750662 SUSE Enterprise Linux Security Update for apache2 (SUSE-SU-2021:2006-1)
- 750719 OpenSUSE Security Update for apache2 (openSUSE-SU-2021:0908-1)
- 750813 OpenSUSE Security Update for apache2 (openSUSE-SU-2021:2127-1)
- 87456 IBM HTTP Server Multiple Vulnerabilities(6467651,869064)
- 900030 CBL-Mariner Linux Security Update for httpd 2.4.46
- 900986 Common Base Linux Mariner (CBL-Mariner) Security Update for httpd (6476-1)
- 903198 Common Base Linux Mariner (CBL-Mariner) Security Update for httpd (4358)
- 940437 AlmaLinux Security Update for httpd:2.4 (ALSA-2021:4257)
- 960451 Rocky Linux Security Update for httpd:2.4 (RLSA-2021:4257)