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          "type": "finder",
          "value": "William Ahern (Akamai)"
        },
        {
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      "datePublic": "2024-05-27T23:00:00.000Z",
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              "value": "Issue summary: Calling the OpenSSL API function SSL_free_buffers may cause\u003cbr\u003ememory to be accessed that was previously freed in some situations\u003cbr\u003e\u003cbr\u003eImpact summary: A use after free can have a range of potential consequences such\u003cbr\u003eas the corruption of valid data, crashes or execution of arbitrary code.\u003cbr\u003eHowever, only applications that directly call the SSL_free_buffers function are\u003cbr\u003eaffected by this issue. Applications that do not call this function are not\u003cbr\u003evulnerable. Our investigations indicate that this function is rarely used by\u003cbr\u003eapplications.\u003cbr\u003e\u003cbr\u003eThe SSL_free_buffers function is used to free the internal OpenSSL buffer used\u003cbr\u003ewhen processing an incoming record from the network. The call is only expected\u003cbr\u003eto succeed if the buffer is not currently in use. However, two scenarios have\u003cbr\u003ebeen identified where the buffer is freed even when still in use.\u003cbr\u003e\u003cbr\u003eThe first scenario occurs where a record header has been received from the\u003cbr\u003enetwork and processed by OpenSSL, but the full record body has not yet arrived.\u003cbr\u003eIn this case calling SSL_free_buffers will succeed even though a record has only\u003cbr\u003ebeen partially processed and the buffer is still in use.\u003cbr\u003e\u003cbr\u003eThe second scenario occurs where a full record containing application data has\u003cbr\u003ebeen received and processed by OpenSSL but the application has only read part of\u003cbr\u003ethis data. Again a call to SSL_free_buffers will succeed even though the buffer\u003cbr\u003eis still in use.\u003cbr\u003e\u003cbr\u003eWhile these scenarios could occur accidentally during normal operation a\u003cbr\u003emalicious attacker could attempt to engineer a stituation where this occurs.\u003cbr\u003eWe are not aware of this issue being actively exploited.\u003cbr\u003e\u003cbr\u003eThe FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue."
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              "description": "CWE-416 Use After Free",
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          "url": "https://github.com/openssl/openssl/commit/c88c3de51020c37e8706bf7a682a162593053aac"
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          "url": "https://github.com/openssl/openssl/commit/704f725b96aa373ee45ecfb23f6abfe8be8d9177"
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          "name": "3.0.14 git commit",
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        "discovery": "UNKNOWN"
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      "title": "Use After Free with SSL_free_buffers",
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    "dateReserved": "2024-05-10T09:56:11.310Z",
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        "title": "CISA ADP Vulnrichment"
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          "type": "reporter",
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      "datePublic": "2025-09-30T14:00:00.000Z",
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          "lang": "en",
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              "value": "Issue summary: An application trying to decrypt CMS messages encrypted using\u003cbr\u003epassword based encryption can trigger an out-of-bounds read and write.\u003cbr\u003e\u003cbr\u003eImpact summary: This out-of-bounds read may trigger a crash which leads to\u003cbr\u003eDenial of Service for an application. The out-of-bounds write can cause\u003cbr\u003ea memory corruption which can have various consequences including\u003cbr\u003ea Denial of Service or Execution of attacker-supplied code.\u003cbr\u003e\u003cbr\u003eAlthough the consequences of a successful exploit of this vulnerability\u003cbr\u003ecould be severe, the probability that the attacker would be able to\u003cbr\u003eperform it is low. Besides, password based (PWRI) encryption support in CMS\u003cbr\u003emessages is very rarely used. For that reason the issue was assessed as\u003cbr\u003eModerate severity according to our Security Policy.\u003cbr\u003e\u003cbr\u003eThe FIPS modules in 3.5, 3.4, 3.3, 3.2, 3.1 and 3.0 are not affected by this\u003cbr\u003eissue, as the CMS implementation is outside the OpenSSL FIPS module\u003cbr\u003eboundary."
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