Use After Free in Apache Http Server
CVE-2019-0211
In Apache HTTP Server 2.4 releases 2.4.17 to 2.4.38, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scripting interpreter) could execute arbitrar…
Vulnerability class: Use-After-Free
EPSS: 0.650 (99.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Http Server — versions 2.4.17 to 2.4.38
- Apache Http_server
- Netapp Oncommand_unified_manager
- Oracle Communications_session_report_manager — versions 8.0.0, 8.1.0, 8.1.1
- Oracle Communications_session_route_manager — versions 8.0.0, 8.1.0, 8.1.1
- Oracle Enterprise_manager_ops_center — versions 12.3.3, 12.4.0
- Oracle Http_server — versions 12.2.1.3.0
- Oracle Instantis_enterprisetrack — versions 17.1, 17.2, 17.3
- Oracle Retail_xstore_point_of_service — versions 7.0, 7.1
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@apache.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- security@apache.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
- security@apache.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
- security@apache.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@apache.org (x_refsource_FEDORA, vendor-advisory, Release Notes)
- security@apache.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_DEBIAN)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List)
- security@apache.org (x_refsource_FEDORA, vendor-advisory, Release Notes)
Frequently asked questions
- What is CVE-2019-0211?
- CVE-2019-0211 is a high-severity vulnerability in Apache Http Server, classified under Use After Free. CVSS score: 7.8/10. Published 2019-04-08.
- How severe is CVE-2019-0211?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-0211 known to be exploited?
- Yes. CVE-2019-0211 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 57 public proof-of-concept repositories are indexed.