{"id":"CVE-2026-28390","title":"Issue summary: During processing of a crafted CMS EnvelopedData message\nwith KeyTransportRecipientInfo a NULL pointer dereference can happen.\n\nImpact summary: Applications that process attacker-controlled CMS data may\ncrash before authen…","summary":"Issue summary: During processing of a crafted CMS EnvelopedData message\nwith KeyTransportRecipientInfo a NULL pointer dereference can happen.\n\nImpact summary: Applications that process attacker-controlled CMS data may\ncrash before authen…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"openssl","product":"openssl","affected":["openssl >= 1.0.2, < 1.0.2zp","openssl >= 1.1.1, < 1.1.1zg","openssl >= 3.0.0, < 3.0.20","openssl >= 3.3.0, < 3.3.7","openssl >= 3.4.0, < 3.4.5","openssl >= 3.5.0, < 3.5.6","openssl >= 3.6.0, < 3.6.2"],"patched":["openssl 3.6.2"],"published":"2026-04-07","updated":"2026-07-24","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-28390","references":[{"url":"https://github.com/openssl/openssl/commit/01194a8f1941115cd0383bfa91c736dd3993c8bc","label":"openssl-security@openssl.org"},{"url":"https://github.com/openssl/openssl/commit/2e39b7a6993be445fddb9fbce316fa756e0397b6","label":"openssl-security@openssl.org"},{"url":"https://github.com/openssl/openssl/commit/af2a5fecd3e71a29e7568f9c1453dec5cebbaff4","label":"openssl-security@openssl.org"},{"url":"https://github.com/openssl/openssl/commit/ea7b4ea4f9f853521ba34830cbcadc970d2e0788","label":"openssl-security@openssl.org"},{"url":"https://github.com/openssl/openssl/commit/fd2f1a6cf53b9ceeca723a001aa4b825d7c7ee75","label":"openssl-security@openssl.org"},{"url":"https://openssl-library.org/news/secadv/20260407.txt","label":"openssl-security@openssl.org"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-032379.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28390.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-28390"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2456314"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-28390"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28390"},{"url":"https://access.redhat.com/errata/RHSA-2026:58563"},{"url":"https://access.redhat.com/errata/RHSA-2026:59831"},{"url":"https://access.redhat.com/errata/RHSA-2026:71542"},{"url":"https://access.redhat.com/errata/RHSA-2026:39297"},{"url":"https://access.redhat.com/errata/RHSA-2026:22314"},{"url":"https://access.redhat.com/errata/RHSA-2026:22315"},{"url":"https://access.redhat.com/errata/RHSA-2026:47096"},{"url":"https://access.redhat.com/errata/RHSA-2026:44480"},{"url":"https://access.redhat.com/errata/RHSA-2026:36217"},{"url":"https://access.redhat.com/errata/RHSA-2026:39012"},{"url":"https://access.redhat.com/errata/RHSA-2026:39009"},{"url":"https://access.redhat.com/errata/RHSA-2026:35869"},{"url":"https://access.redhat.com/errata/RHSA-2026:22313"},{"url":"https://access.redhat.com/errata/RHSA-2026:22312"},{"url":"https://access.redhat.com/errata/RHSA-2026:38503"},{"url":"https://access.redhat.com/errata/RHSA-2026:43513"},{"url":"https://access.redhat.com/errata/RHSA-2026:38804"},{"url":"https://access.redhat.com/errata/RHSA-2026:38805"},{"url":"https://access.redhat.com/errata/RHSA-2026:27998"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.02435,"epssPercentile":0.83574,"ingestedAt":"2026-07-25T23:05:58.182Z","slug":"CVE-2026-28390","body":"## Overview\n\nIssue summary: During processing of a crafted CMS EnvelopedData message\nwith KeyTransportRecipientInfo a NULL pointer dereference can happen.\n\nImpact summary: Applications that process attacker-controlled CMS data may\ncrash before authentication or cryptographic operations occur resulting in\nDenial of Service.\n\nWhen a CMS EnvelopedData message that uses KeyTransportRecipientInfo with\nRSA-OAEP encryption is processed, the optional parameters field of\nRSA-OAEP SourceFunc algorithm identifier is examined without checking\nfor its presence. This results in a NULL pointer dereference if the field\nis missing.\n\nApplications and services that call CMS_decrypt() on untrusted input\n(e.g., S/MIME processing or CMS-based protocols) are vulnerable.\n\nThe FIPS modules in 3.6, 3.5, 3.4, 3.3 and 3.0 are not affected by this\nissue, as the affected code is outside the OpenSSL FIPS module boundary.\n\n## Affected\n\n- `openssl >= 1.0.2, < 1.0.2zp`\n- `openssl >= 1.1.1, < 1.1.1zg`\n- `openssl >= 3.0.0, < 3.0.20`\n- `openssl >= 3.3.0, < 3.3.7`\n- `openssl >= 3.4.0, < 3.4.5`\n- `openssl >= 3.5.0, < 3.5.6`\n- `openssl >= 3.6.0, < 3.6.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `openssl 3.6.2`\n\n## Vendor advisories\n\n- **RHSA-2026:58563** · Red Hat · fixed in: Red Hat Enterprise Linux Server (v. 7 ELS), Red Hat Enterprise Linux Server Optional (v. 7 ELS) · released 2026-08-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:58563)\n- **RHSA-2026:59831** · Red Hat · fixed in: Red Hat OpenShift Container Platform 4.12 · released 2026-09-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:59831)\n- **RHSA-2026:71542** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux BaseOS EUS (v. 10.0) · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:71542)\n- **RHSA-2026:39297** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-07-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:39297)\n- **RHSA-2026:22314** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10) · released 2026-06-01 · [advisory](https://access.redhat.com/errata/RHSA-2026:22314)\n- **RHSA-2026:22315** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-06-01 · [advisory](https://access.redhat.com/errata/RHSA-2026:22315)\n- **RHSA-2026:47096** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) · released 2026-07-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:47096)\n- **RHSA-2026:44480** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) · released 2026-07-23 · [advisory](https://access.redhat.com/errata/RHSA-2026:44480)\n- **RHSA-2026:36217** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8) · released 2026-07-07 · [advisory](https://access.redhat.com/errata/RHSA-2026:36217)\n- **RHSA-2026:39012** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.2) · released 2026-07-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:39012)\n- **RHSA-2026:39009** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.4) · released 2026-07-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:39009)\n- **Red Hat VEX** · Moderate · affected: Confidential Cluster Operator, Confidential Compute Attestation, Lightspeed Core, Logging Subsystem for Red Hat OpenShift, Migration Toolkit for Applications 8, OpenShift Lightspeed, … · no fix planned: Confidential Compute Attestation, Migration Toolkit for Applications 8, Red Hat 3scale API Management Platform 2, Red Hat Advanced Cluster Security 4, … · updated 2026-09-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28390.json)","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.5,"exploitation":0,"ransomware":0},"changes":[]}