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python2: Fix of 2 CVEs

Type: advisorySources: OSV

- CVE-2026-1299: raise exceptions for malformed input to prevent processing invalid or dangerous headers - CVE-2024-6923: encode newlines in headers and verify headers are sound

Products
python2, python2-debug, python2-devel, python2-libs, python2-test, python2-tkinter, python2-tools
Affected versions
Not specified
Fixed versions
2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8
CVEs
CVE-2024-6923, CVE-2026-1299
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 13:52 UTC · Revision 1

Source evidence

python2: Fix of 2 CVEs

core-osv · Original source

Published 2 Mar 2026, 09:36 UTC

- CVE-2026-1299: raise exceptions for malformed input to prevent processing invalid or dangerous headers - CVE-2024-6923: encode newlines in headers and verify headers are sound

osv:CLSA-2026-1772444161

python2

Fixed versions: 2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8

python2-debug

Fixed versions: 2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8

python2-devel

Fixed versions: 2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8

python2-libs

Fixed versions: 2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8

python2-test

Fixed versions: 2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8

python2-tkinter

Fixed versions: 2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8

python2-tools

Fixed versions: 2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8

Complete source record
{
  "id": "936ce472a926a07b131a581e421e813e3c8293f52212c67bccbdbb2868760982",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1772444161",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "python2: Fix of 2 CVEs",
    "summary": "- CVE-2026-1299: raise exceptions for malformed input to prevent processing invalid or dangerous headers - CVE-2024-6923: encode newlines in headers and verify headers are sound",
    "evidence": "osv:CLSA-2026-1772444161",
    "products": [
      {
        "name": {
          "value": "python2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python2-debug",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python2-devel",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python2-libs",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python2-test",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python2-tkinter",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python2-tools",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1772444161",
      "aliases": [
        "CLSA-2026-1772444161"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8"
                }
              ]
            }
          ],
          "package": {
            "name": "python2",
            "purl": "pkg:rpm/tuxcare/python2?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1772444161.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8"
                }
              ]
            }
          ],
          "package": {
            "name": "python2-debug",
            "purl": "pkg:rpm/tuxcare/python2-debug?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1772444161.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8"
                }
              ]
            }
          ],
          "package": {
            "name": "python2-devel",
            "purl": "pkg:rpm/tuxcare/python2-devel?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1772444161.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8"
                }
              ]
            }
          ],
          "package": {
            "name": "python2-libs",
            "purl": "pkg:rpm/tuxcare/python2-libs?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1772444161.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8"
                }
              ]
            }
          ],
          "package": {
            "name": "python2-test",
            "purl": "pkg:rpm/tuxcare/python2-test?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1772444161.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8"
                }
              ]
            }
          ],
          "package": {
            "name": "python2-tkinter",
            "purl": "pkg:rpm/tuxcare/python2-tkinter?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1772444161.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.18-17.module_el8+2359+e28744d6.tuxcare.els8"
                }
              ]
            }
          ],
          "package": {
            "name": "python2-tools",
            "purl": "pkg:rpm/tuxcare/python2-tools?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1772444161.json"
          }
        }
      ],
      "modified": "2026-10-21T10:47:10.556604807Z",
      "provider": "osv",
      "upstream": [
        "CVE-2024-6923",
        "CVE-2026-1299"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1772444161.html"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2024-6923",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-1299",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 392309,
  "published_at": "2026-03-02T09:36:05+00:00"
}