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Apache HTTP Server: mod_dav shared lock overflow

Type: advisorySource: Official CVE List1 source record

A memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes. Users are recommended to upgrade to version 2.4.69, which fixes this issue

Announced Source revision 1
Original source ↗

CVE-2026-42528

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-42528

Apache HTTP Server

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache HTTP Server",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "2.4.68"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-42528

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#7752 · Revision 1
Added to Heist Feed
Publisher date
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