LiveActive security incident?Get immediate response
CVE Record

CVE-2018-8011: mod_md, DoS via Coredumps on specially crafted requests

By specially crafting HTTP requests, the mod_md challenge handler would dereference a NULL pointer and cause the child process to segfault. This could be used to DoS the server. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.33).

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2018-8011 is a denial-of-service flaw in Apache HTTP Server 2.4.33. Specially crafted HTTP requests could make the mod_md challenge handler crash a child process. The documented fix is Apache HTTP Server 2.4.34. The source bundle does not show active exploitation or a CVSS score. Exposure is most likely where Apache HTTP Server 2.4.33 is deployed and mod_md challenge handling is reachable. Internet-facing web servers are the main concern. Environments already running 2.4.34 or later are indicated as fixed by the source bundle. Schedule remediation in the normal high-priority patch cycle for exposed Apache 2.4.33 servers. Escalate if critical services depend on affected hosts or crash evidence appears. The issue is availability-focused, with no source evidence of active exploitation. Mitigation focus: Upgrade Apache HTTP Server 2.4.33 deployments to 2.4.34 or later.; Inventory web servers for Apache HTTP Server 2.4.33.; Check vendor or distribution advisories for packaged Apache builds..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2018-8011 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
15Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Apache Software FoundationApache HTTP ServerFixed in Apache HTTP Server 2.4.34 (Affected 2.4.33)Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.