CVE-2025-69421 (GCVE-0-2025-69421)

Vulnerability from cvelistv5 – Published: 2026-01-27 16:01 – Updated: 2026-05-12 12:08
VLAI
Title
NULL Pointer Dereference in PKCS12_item_decrypt_d2i_ex function
Summary
Issue summary: Processing a malformed PKCS#12 file can trigger a NULL pointer dereference in the PKCS12_item_decrypt_d2i_ex() function. Impact summary: A NULL pointer dereference can trigger a crash which leads to Denial of Service for an application processing PKCS#12 files. The PKCS12_item_decrypt_d2i_ex() function does not check whether the oct parameter is NULL before dereferencing it. When called from PKCS12_unpack_p7encdata() with a malformed PKCS#12 file, this parameter can be NULL, causing a crash. The vulnerability is limited to Denial of Service and cannot be escalated to achieve code execution or memory disclosure. Exploiting this issue requires an attacker to provide a malformed PKCS#12 file to an application that processes it. For that reason the issue was assessed as Low severity according to our Security Policy. The FIPS modules in 3.6, 3.5, 3.4, 3.3 and 3.0 are not affected by this issue, as the PKCS#12 implementation is outside the OpenSSL FIPS module boundary. OpenSSL 3.6, 3.5, 3.4, 3.3, 3.0, 1.1.1 and 1.0.2 are vulnerable to this issue.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: 3.6.0 , < 3.6.1 (semver)
Affected: 3.5.0 , < 3.5.5 (semver)
Affected: 3.4.0 , < 3.4.4 (semver)
Affected: 3.3.0 , < 3.3.6 (semver)
Affected: 3.0.0 , < 3.0.19 (semver)
Affected: 1.1.1 , < 1.1.1ze (custom)
Affected: 1.0.2 , < 1.0.2zn (custom)
Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
Create a notification for this product.
Date Public
2026-01-27 14:00
Credits
Luigino Camastra (Aisle Research) Luigino Camastra (Aisle Research)
Show details on NVD website
To clipboard 

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      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-69421\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-28T15:17:58.059460Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-28T15:19:32.472Z\"}}], \"cna\": {\"title\": \"NULL Pointer Dereference in PKCS12_item_decrypt_d2i_ex function\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"Luigino Camastra (Aisle Research)\"}, {\"lang\": \"en\", \"type\": \"remediation developer\", \"value\": \"Luigino Camastra (Aisle Research)\"}], \"metrics\": [{\"other\": {\"type\": \"https://openssl-library.org/policies/general/security-policy/\", \"content\": {\"text\": \"Low\"}}, \"format\": \"other\"}], \"affected\": [{\"vendor\": \"OpenSSL\", \"product\": \"OpenSSL\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.6.0\", \"lessThan\": \"3.6.1\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.5.0\", \"lessThan\": \"3.5.5\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.4.0\", \"lessThan\": \"3.4.4\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.3.0\", \"lessThan\": \"3.3.6\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.0.0\", \"lessThan\": \"3.0.19\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"1.1.1\", \"lessThan\": \"1.1.1ze\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1.0.2\", \"lessThan\": \"1.0.2zn\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-01-27T14:00:00.000Z\", \"references\": [{\"url\": \"https://openssl-library.org/news/secadv/20260127.txt\", \"name\": \"OpenSSL Advisory\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/a2dbc539f0f9cc63832709fa5aa33ad9495eb19c\", \"name\": \"3.6.1 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/3524a29271f8191b8fd8a5257eb05173982a097b\", \"name\": \"3.5.5 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/643986985cd1c21221f941129d76fe0c2785aeb3\", \"name\": \"3.4.4 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/4bbc8d41a72c842ce4077a8a3eccd1109aaf74bd\", \"name\": \"3.3.6 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/36ecb4960872a4ce04bf6f1e1f4e78d75ec0c0c7\", \"name\": \"3.0.19 git commit\", \"tags\": [\"patch\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Issue summary: Processing a malformed PKCS#12 file can trigger a NULL pointer\\ndereference in the PKCS12_item_decrypt_d2i_ex() function.\\n\\nImpact summary: A NULL pointer dereference can trigger a crash which leads to\\nDenial of Service for an application processing PKCS#12 files.\\n\\nThe PKCS12_item_decrypt_d2i_ex() function does not check whether the oct\\nparameter is NULL before dereferencing it. When called from\\nPKCS12_unpack_p7encdata() with a malformed PKCS#12 file, this parameter can\\nbe NULL, causing a crash. The vulnerability is limited to Denial of Service\\nand cannot be escalated to achieve code execution or memory disclosure.\\n\\nExploiting this issue requires an attacker to provide a malformed PKCS#12 file\\nto an application that processes it. For that reason the issue was assessed as\\nLow severity according to our Security Policy.\\n\\nThe FIPS modules in 3.6, 3.5, 3.4, 3.3 and 3.0 are not affected by this issue,\\nas the PKCS#12 implementation is outside the OpenSSL FIPS module boundary.\\n\\nOpenSSL 3.6, 3.5, 3.4, 3.3, 3.0, 1.1.1 and 1.0.2 are vulnerable to this issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Issue summary: Processing a malformed PKCS#12 file can trigger a NULL pointer\u003cbr\u003edereference in the PKCS12_item_decrypt_d2i_ex() function.\u003cbr\u003e\u003cbr\u003eImpact summary: A NULL pointer dereference can trigger a crash which leads to\u003cbr\u003eDenial of Service for an application processing PKCS#12 files.\u003cbr\u003e\u003cbr\u003eThe PKCS12_item_decrypt_d2i_ex() function does not check whether the oct\u003cbr\u003eparameter is NULL before dereferencing it. When called from\u003cbr\u003ePKCS12_unpack_p7encdata() with a malformed PKCS#12 file, this parameter can\u003cbr\u003ebe NULL, causing a crash. The vulnerability is limited to Denial of Service\u003cbr\u003eand cannot be escalated to achieve code execution or memory disclosure.\u003cbr\u003e\u003cbr\u003eExploiting this issue requires an attacker to provide a malformed PKCS#12 file\u003cbr\u003eto an application that processes it. For that reason the issue was assessed as\u003cbr\u003eLow severity according to our Security Policy.\u003cbr\u003e\u003cbr\u003eThe FIPS modules in 3.6, 3.5, 3.4, 3.3 and 3.0 are not affected by this issue,\u003cbr\u003eas the PKCS#12 implementation is outside the OpenSSL FIPS module boundary.\u003cbr\u003e\u003cbr\u003eOpenSSL 3.6, 3.5, 3.4, 3.3, 3.0, 1.1.1 and 1.0.2 are vulnerable to this issue.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476 NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"shortName\": \"openssl\", \"dateUpdated\": \"2026-01-27T16:01:26.435Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-69421\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-28T02:58:24.792Z\", \"dateReserved\": \"2026-01-06T12:44:09.946Z\", \"assignerOrgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"datePublished\": \"2026-01-27T16:01:26.435Z\", \"assignerShortName\": \"openssl\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.