Bug 2544832 (CVE-2026-63292)
| Summary: | CVE-2026-63292 httpd: httpd: Arbitrary code execution via oversized Host header in mod_vhost_alias | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | csutherl, jclere, pjindal, plodge, rhel-process-autobot, szappis, vchlup, watson-tool-maintainers |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw was found in httpd's mod_vhost_alias module. A remote attacker can exploit a stack-based buffer overflow by sending a crafted HTTP request with an excessively large Host header to a server using specific virtual hosting configurations. This issue can lead to arbitrary code execution or cause a Denial of Service (DoS) by crashing the web server.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2545043 | ||
| Bug Blocks: | |||
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Description
OSIDB Bzimport
2026-10-01 23:07:18 UTC
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