Skip to content
Heist/ feed
Back to feed
UnratedFix available

openssl: Fix of 5 CVEs

Type: advisorySources: OSV

- CVE-2026-7383: fix signed integer overflow when sizing Unicode output in ASN1_mbstring_ncopy() - CVE-2026-9076: fix heap out-of-bounds read in kek_unwrap_key() check-byte validation - CVE-2026-28388: fix NULL pointer dereference when delta CRL lacks the CRL Number extension - CVE-2026-34180: avoid length truncation in ASN1_STRING_set() when called from asn1_ex_c2i() - CVE-2026-42766: fix NULL dereference when keyDerivationAlgorithm is absent in CMS PasswordRecipientInfo

Products
openssl, openssl-devel, openssl-perl, openssl-static
Affected versions
Not specified
Fixed versions
1.0.1e-63.el6.tuxcare.els15
CVEs
CVE-2026-28388, CVE-2026-34180, CVE-2026-42766, CVE-2026-7383, CVE-2026-9076
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:49 UTC · Revision 1

Source evidence

openssl: Fix of 5 CVEs

core-osv · Original source

Published 6 Aug 2026, 14:56 UTC

- CVE-2026-7383: fix signed integer overflow when sizing Unicode output in ASN1_mbstring_ncopy() - CVE-2026-9076: fix heap out-of-bounds read in kek_unwrap_key() check-byte validation - CVE-2026-28388: fix NULL pointer dereference when delta CRL lacks the CRL Number extension - CVE-2026-34180: avoid length truncation in ASN1_STRING_set() when called from asn1_ex_c2i() - CVE-2026-42766: fix NULL dereference when keyDerivationAlgorithm is absent in CMS PasswordRecipientInfo

osv:CLSA-2026-1785839292

openssl

Fixed versions: 1.0.1e-63.el6.tuxcare.els15

openssl-devel

Fixed versions: 1.0.1e-63.el6.tuxcare.els15

openssl-perl

Fixed versions: 1.0.1e-63.el6.tuxcare.els15

openssl-static

Fixed versions: 1.0.1e-63.el6.tuxcare.els15

Complete source record
{
  "id": "b169993371a7f0d079bef46046b758cef347c9a0ab4a0ca4af223ebc24059667",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1785839292",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "openssl: Fix of 5 CVEs",
    "summary": "- CVE-2026-7383: fix signed integer overflow when sizing Unicode output in ASN1_mbstring_ncopy() - CVE-2026-9076: fix heap out-of-bounds read in kek_unwrap_key() check-byte validation - CVE-2026-28388: fix NULL pointer dereference when delta CRL lacks the CRL Number extension - CVE-2026-34180: avoid length truncation in ASN1_STRING_set() when called from asn1_ex_c2i() - CVE-2026-42766: fix NULL dereference when keyDerivationAlgorithm is absent in CMS PasswordRecipientInfo",
    "evidence": "osv:CLSA-2026-1785839292",
    "products": [
      {
        "name": {
          "value": "openssl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.0.1e-63.el6.tuxcare.els15",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.0.1e-63.el6.tuxcare.els15",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl-perl",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.0.1e-63.el6.tuxcare.els15",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl-static",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.0.1e-63.el6.tuxcare.els15",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1785839292",
      "aliases": [
        "CLSA-2026-1785839292"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.0.1e-63.el6.tuxcare.els15"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl",
            "purl": "pkg:rpm/tuxcare/openssl?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1785839292.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.0.1e-63.el6.tuxcare.els15"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl-devel",
            "purl": "pkg:rpm/tuxcare/openssl-devel?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1785839292.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.0.1e-63.el6.tuxcare.els15"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl-perl",
            "purl": "pkg:rpm/tuxcare/openssl-perl?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1785839292.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.0.1e-63.el6.tuxcare.els15"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl-static",
            "purl": "pkg:rpm/tuxcare/openssl-static?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1785839292.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:26.071297956Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-28388",
        "CVE-2026-34180",
        "CVE-2026-42766",
        "CVE-2026-7383",
        "CVE-2026-9076"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos6els/CLSA-2026-1785839292.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-28388",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-34180",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-42766",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-7383",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-9076"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-28388",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-34180",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-42766",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-7383",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-9076",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449906,
  "published_at": "2026-08-06T14:56:02+00:00"
}