CVE-2021-26691 (CNNVD-202106-216)
CRITICAL
中文标题:
Apache HTTP Server 缓冲区错误漏洞
英文标题:
Apache HTTP Server mod_session response handling heap overflow
CVSS分数:
9.8
发布时间:
2021-06-10 07:10:23
漏洞类型:
缓冲区错误
状态:
PUBLISHED
数据质量分数:
0.30
数据版本:
v3
漏洞描述
中文描述:
Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server 2.4.0 to 2.4.46存在缓冲区错误漏洞，该漏洞允许远程攻击者可利用该漏洞执行拒绝服务(DoS)攻击。
英文描述:
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
CWE类型:
CWE-787
CWE-122
标签:
（暂无数据）
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | 2.4.46 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.46:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.43 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.43:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.41 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.41:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.39 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.39:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.38 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.38:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.37 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.37:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.35 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.35:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.34 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.34:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.33 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.33:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.29 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.29:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.28 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.28:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.27 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.27:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.26 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.26:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.25 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.25:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.23 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.23:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.20 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.20:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.18 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.18:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.17 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.17:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.16 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.16:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.12 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.12:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.10 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.10:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.9 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.9:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.7 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.7:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.6 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.6:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.4 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.4:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.3 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.3:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.2 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.2:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.1 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.1:*:*:*:*:*:*:*
|
| Apache Software Foundation | Apache HTTP Server | 2.4.0 | - | - |
cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.0:*:*:*:*:*:*:*
|
| apache | http_server | * | - | - |
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
|
| debian | debian_linux | 9.0 | - | - |
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
|
| debian | debian_linux | 10.0 | - | - |
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
|
| fedoraproject | fedora | 34 | - | - |
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
|
| fedoraproject | fedora | 35 | - | - |
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
|
| oracle | enterprise_manager_ops_center | 12.4.0.0 | - | - |
cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*
|
| oracle | instantis_enterprisetrack | 17.1 | - | - |
cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*
|
| oracle | instantis_enterprisetrack | 17.2 | - | - |
cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*
|
| oracle | instantis_enterprisetrack | 17.3 | - | - |
cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*
|
| oracle | secure_backup | * | - | - |
cpe:2.3:a:oracle:secure_backup:*:*:*:*:*:*:*:*
|
| oracle | zfs_storage_appliance_kit | 8.8 | - | - |
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
|
| netapp | cloud_backup | - | - | - |
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
（暂无数据）
英文解决方案:
（暂无数据）
临时解决方案:
（暂无数据）
参考链接
无标题
x_refsource_MISC
cve.org
访问
cve.org
无标题
x_refsource_MISC
cve.org
访问
cve.org
[httpd-announce] 20210609 CVE-2021-26691: mod_session response handling heap overflow
mailing-list
cve.org
访问
cve.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
mailing-list
cve.org
访问
cve.org
[oss-security] 20210609 CVE-2021-26691: Apache httpd: mod_session response handling heap overflow
mailing-list
cve.org
访问
cve.org
[debian-lts-announce] 20210709 [SECURITY] [DLA 2706-1] apache2 security update
mailing-list
cve.org
访问
cve.org
DSA-4937
vendor-advisory
cve.org
访问
cve.org
GLSA-202107-38
vendor-advisory
cve.org
访问
cve.org
FEDORA-2021-dce7e7738e
vendor-advisory
cve.org
访问
cve.org
FEDORA-2021-e3f6dd670d
vendor-advisory
cve.org
访问
cve.org
无标题
x_refsource_MISC
cve.org
访问
cve.org
无标题
x_refsource_CONFIRM
cve.org
访问
cve.org
无标题
x_refsource_MISC
cve.org
访问
cve.org
CVSS评分详情
9.8
CRITICAL
CVSS向量:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS版本:
3.1
机密性
HIGH
完整性
HIGH
可用性
HIGH
时间信息
发布时间:
2021-06-10 07:10:23
修改时间:
2024-08-03 20:33:40
创建时间:
2025-11-11 15:36:45
更新时间:
2025-11-11 15:56:47
利用信息
暂无可利用代码信息
数据源详情
| 数据源 | 记录ID | 版本 | 提取时间 |
|---|---|---|---|
| CVE | cve_CVE-2021-26691 |
2025-11-11 15:20:53 | 2025-11-11 07:36:45 |
| NVD | nvd_CVE-2021-26691 |
2025-11-11 14:57:38 | 2025-11-11 07:45:04 |
| CNNVD | cnnvd_CNNVD-202106-216 |
2025-11-11 15:10:39 | 2025-11-11 07:56:47 |
版本与语言
当前版本:
v3
主要语言:
EN
支持语言:
EN
ZH
安全公告
暂无安全公告信息
变更历史
v3
CNNVD
2025-11-11 15:56:47
vulnerability_type: 未提取 → 缓冲区错误; cnnvd_id: 未提取 → CNNVD-202106-216; data_sources: ['cve', 'nvd'] → ['cnnvd', 'cve', 'nvd']
查看详细变更
- vulnerability_type: 未提取 -> 缓冲区错误
- cnnvd_id: 未提取 -> CNNVD-202106-216
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
v2
NVD
2025-11-11 15:45:04
severity: SeverityLevel.MEDIUM → SeverityLevel.CRITICAL; cvss_score: 未提取 → 9.8; cvss_vector: NOT_EXTRACTED → CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; cvss_version: NOT_EXTRACTED → 3.1; affected_products_count: 29 → 41; data_sources: ['cve'] → ['cve', 'nvd']
查看详细变更
- severity: SeverityLevel.MEDIUM -> SeverityLevel.CRITICAL
- cvss_score: 未提取 -> 9.8
- cvss_vector: NOT_EXTRACTED -> CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- cvss_version: NOT_EXTRACTED -> 3.1
- affected_products_count: 29 -> 41
- data_sources: ['cve'] -> ['cve', 'nvd']