CVE-2021-36160
mod_proxy_uwsgi out of bound read
Description
A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive).
Official description from the CVE record, published by apache. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
EPSS
Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
- Score
- 0.63721 (63.7% probability)
- Percentile
- 99.2%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
Weakness (CWE)
CWE catalog version 5.0.
CWE names: Copyright © 2006-2026, The MITRE Corporation. See /security/cve/legal for the CWE license.
- CWE-125Out-of-bounds Read
Affected products
Products listed in the CVE record, as the CNA published them.
Apache HTTP Server
- affected: Apache HTTP Server 2.4 up to 2.4.48
References
Links listed in the CVE record. They lead to other sites, which CubePath does not control.
- httpd.apache.org/security/vulnerabilities_24.html
- [httpd-cvs] 20210916 [httpd-site] branch main updated: Revert "Add descriptions for CVE-2021-33193 CVE-2021-36160" (lists.apache.org)mailing-list
- [httpd-cvs] 20210916 [httpd-site] branch main updated: Add descriptions for CVE-2021-33193 CVE-2021-36160 (lists.apache.org)mailing-list
- FEDORA-2021-dce7e7738e (lists.fedoraproject.org)vendor-advisory
- [httpd-users] 20210923 [users@httpd] 2.4.49 security fixes: more info (lists.apache.org)mailing-list
- [httpd-users] 20210923 Re: [users@httpd] 2.4.49 security fixes: more info (lists.apache.org)mailing-list
- [httpd-users] 20210923 [users@httpd] Re: [External] : [users@httpd] 2.4.49 security fixes: more info (lists.apache.org)mailing-list
- [httpd-users] 20210923 Re: [users@httpd] Re: [External] : [users@httpd] 2.4.49 security fixes: more info (lists.apache.org)mailing-list
- FEDORA-2021-e3f6dd670d (lists.fedoraproject.org)vendor-advisory
- [debian-lts-announce] 20210929 [SECURITY] [DLA 2768-1] uwsgi security update (lists.debian.org)mailing-list
- [httpd-bugs] 20211005 [Bug 65616] New: CVE-2021-36160 regression (lists.apache.org)mailing-list
- [httpd-bugs] 20211005 [Bug 65616] CVE-2021-36160 regression (lists.apache.org)mailing-list
- [httpd-bugs] 20211006 [Bug 65616] CVE-2021-36160 regression (lists.apache.org)mailing-list
- [httpd-bugs] 20211008 [Bug 65616] CVE-2021-36160 regression (lists.apache.org)mailing-list
- [httpd-bugs] 20211009 [Bug 65616] CVE-2021-36160 regression (lists.apache.org)mailing-list
- DSA-4982 (debian.org)vendor-advisory
- [httpd-bugs] 20211011 [Bug 65616] CVE-2021-36160 regression (lists.apache.org)mailing-list
- [httpd-bugs] 20211012 [Bug 65616] CVE-2021-36160 regression (lists.apache.org)mailing-list
- [debian-lts-announce] 20211020 [SECURITY] [DLA 2768-2] uwsgi regression update (lists.debian.org)mailing-list
- 20211124 Multiple Vulnerabilities in Apache HTTP Server Affecting Cisco Products: November 2021 (tools.cisco.com)vendor-advisory
- oracle.com/security-alerts/cpujan2022.html
- security.netapp.com/advisory/ntap-20211008-0004
- oracle.com/security-alerts/cpuapr2022.html
- GLSA-202208-20 (security.gentoo.org)vendor-advisory
Timeline
- ID reserved
- Record published
- Record last updated
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About CubePath
CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:52 UTC. Sources and licenses