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php8.2 — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2023-3247

In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce.

Products
php8.2
Affected versions
8.2.5-2
Fixed versions
8.2.7-1~deb12u1
CVEs
CVE-2023-3247
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 16:22 UTC · Revision 1

Source evidence

DEBIAN-CVE-2023-3247

core-osv · Original source

Published 22 Jul 2023, 05:15 UTC

In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce.

osv:DEBIAN-CVE-2023-3247

php8.2

Fixed versions: 8.2.7-1~deb12u1

Complete source record
{
  "id": "2dc56addf8c1562a95269cff9668d3cc90ea9158672d96b57d97535b1533bd95",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-3247",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2023-3247",
    "summary": "In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce.",
    "evidence": "osv:DEBIAN-CVE-2023-3247",
    "products": [
      {
        "name": {
          "value": "php8.2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.2.7-1~deb12u1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "8.2.5-2",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2023-3247",
      "aliases": [
        "DEBIAN-CVE-2023-3247"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.2.7-1~deb12u1"
                }
              ]
            }
          ],
          "package": {
            "name": "php8.2",
            "purl": "pkg:deb/debian/php8.2?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "versions": [
            "8.2.5-2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-3247.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-26T18:03:04.952029204Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-3247"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2023-3247"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-3247",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 457542,
  "published_at": "2023-07-22T05:15:37.46+00:00"
}