{"id":"CVE-2024-2408","aliases":["ALSA-2023:7877","AZL-42616","AZL-42628","BIT-libphp-2024-2408","BIT-php-2024-2408","BIT-php-min-2024-2408","CLSA-2025-1742661821","CLSA-2025-1742723010","DEBIAN-CVE-2024-2408","EUVD-2024-27360","GHSA-hh26-4ppw-5864","RHSA-2023:7877","RLSA-2023:7877","UBUNTU-CVE-2024-2408"],"status":"published","title":"PHP is vulnerable to the Marvin Attack","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.\n\nPHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01158,"percentile":0.67311,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-203"],"published":"2023-12-19T00:00:00Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Azure Linux:3","package":"php","fixed_in":["8.3.8-1"],"sources":["osv"]},{"ecosystem":"Azure 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group","product":"php"}],"references":[{"url":"https://github.com/php/php-src/security/advisories/GHSA-hh26-4ppw-5864","tags":["x_transferred","Exploit","Third Party Advisory","advisory","article","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PKGTQUOA2NTZ3RXN22CSAUJPIRUYRB4B/","tags":["x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W45DBOH56NQDRTOM2DN2LNA2FZIMC3PK/","tags":["x_transferred","web"]},{"url":"https://security.netapp.com/advisory/ntap-20250321-0008/","tags":["web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2023:7877","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-3446","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-3817","tags":["report"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-5678","tags":["report"]},{"url":"https://bugzilla.redhat.com/2224962","tags":["report"]},{"url":"https://bugzilla.redhat.com/2227852","tags":["report"]},{"url":"https://bugzilla.redhat.com/2248616","tags":["report"]},{"url":"https://errata.almalinux.org/8/ALSA-2023-7877.html","tags":["advisory"]},{"url":"https://www.redhat.com/security/data/cve/CVE-2024-2408.html","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-2408","tags":["web","advisory"]},{"url":"https://errata.cloudlinux.com/centos8.4-els/CLSA-2025-1742661821.html","tags":["advisory"]},{"url":"https://errata.cloudlinux.com/centos8.5-els/CLSA-2025-1742723010.html","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/2xxx/CVE-2024-2408.json","tags":["advisory"]},{"url":"https://github.com/php/php-src","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-2408","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#low","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2224962","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2227852","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2248616","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_7877.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-3446","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3446","tags":["advisory"]},{"url":"https://www.openssl.org/news/secadv/20230719.txt","tags":["article"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-3817","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3817","tags":["advisory"]},{"url":"https://www.openssl.org/news/secadv/20230731.txt","tags":["article"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-5678","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5678","tags":["advisory"]},{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=34efaef6c103d636ab507a0cc34dca4d3aecc055","tags":["article"]},{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=710fee740904b6290fef0dd5536fbcedbc38ff0c","tags":["article"]},{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=db925ae2e65d0d925adef429afc37f75bd1c2017","tags":["article"]},{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=ddeb4b6c6d527e54ce9a99cba785c0f7776e54b6","tags":["article"]},{"url":"https://www.openssl.org/news/secadv/20231106.txt","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2024-2408","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2270358","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-2408","tags":["advisory","report"]},{"url":"https://errata.rockylinux.org/RLSA-2023:7877","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-2408","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6663-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-6663-2","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-6663-3","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-2408","title":"PHP is vulnerable to the Marvin Attack","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.\n\nPHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2024-06-09T19:55:51.625Z","modified":"2025-03-21T18:03:45.831Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:34:10.258163Z"}],"euvd":[{"id":"EUVD-2024-27360","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.\n\nPHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2024-06-09T19:55:51Z","modified":"2025-03-21T18:03:45Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:56.049523Z"}],"nvd":[{"id":"CVE-2024-2408","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.\n\nPHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2024-06-09T20:15:09.27Z","modified":"2026-06-17T07:24:28.497Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:10:04.111836Z"}],"osv":[{"id":"AZL-42616","title":"CVE-2024-2408 affecting package php for versions less than 8.3.8-1","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.\n\nPHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2024-06-09T20:15:09Z","modified":"2026-11-05T05:40:51Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-05T16:41:19.893001Z"},{"id":"AZL-42628","title":"CVE-2024-2408 affecting package php for versions less than 8.1.29-1","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.\n\nPHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2024-06-09T20:15:09Z","modified":"2026-04-21T04:30:41.225278Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:04.893995Z"},{"id":"CVE-2024-2408","title":"PHP is vulnerable to the Marvin Attack","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.\n\nPHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2024-06-09T19:55:51.625Z","modified":"2026-10-29T11:12:06.437655248Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:38.897406Z"},{"id":"DEBIAN-CVE-2024-2408","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.  PHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2024-06-09T20:15:09.27Z","modified":"2026-11-02T12:00:49.832768767Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:41.849198Z"},{"id":"RHSA-2023:7877","title":"Red Hat Security Advisory: openssl security update","status":"published","published":"2024-09-13T23:53:01Z","modified":"2026-10-15T10:06:24Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:12.270484Z"},{"id":"RLSA-2023:7877","title":"Low: openssl security update","description":"OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.\n\nSecurity Fix(es):\n\n* openssl: Excessive time spent checking DH keys and parameters (CVE-2023-3446)\n\n* OpenSSL: Excessive time spent checking DH q parameter value (CVE-2023-3817)\n\n* openssl: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow (CVE-2023-5678)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2025-12-03T09:02:10.10599Z","modified":"2025-12-03T11:33:56.524031Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:24.63379Z"},{"id":"UBUNTU-CVE-2024-2408","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817 (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable. PHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2024-06-09T20:15:00Z","modified":"2026-10-21T23:00:16.932560588Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:54:42.68848Z"},{"id":"ALSA-2023:7877","title":"Low: openssl security update","description":"OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.\n\nSecurity Fix(es):\n\n* openssl: Excessive time spent checking DH keys and parameters (CVE-2023-3446)\n* OpenSSL: Excessive time spent checking DH q parameter value (CVE-2023-3817)\n* openssl: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow (CVE-2023-5678)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2023-12-19T00:00:00Z","modified":"2026-10-29T11:12:11.214641912Z","updated_at":"2026-11-02T15:27:52.091404Z"},{"id":"BIT-libphp-2024-2408","title":"PHP is vulnerable to the Marvin Attack","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.\n\nPHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2025-08-11T13:54:10.823Z","modified":"2026-09-08T08:48:08.390476932Z","updated_at":"2026-11-02T15:28:32.162822Z"},{"id":"BIT-php-2024-2408","title":"PHP is vulnerable to the Marvin Attack","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.\n\nPHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2024-06-12T07:31:53.103Z","modified":"2026-09-08T08:48:18.38507487Z","updated_at":"2026-11-02T15:28:34.343258Z"},{"id":"BIT-php-min-2024-2408","title":"PHP is vulnerable to the Marvin Attack","description":"The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request:  https://github.com/openssl/openssl/pull/13817  (rsa_pkcs1_implicit_rejection). These changes are part of OpenSSL 3.2 and have also been backported to stable versions of various Linux distributions, as well as to the PHP builds provided for Windows since the previous release. All distributors and builders should ensure that this version is used to prevent PHP from being vulnerable.\n\nPHP Windows builds for the versions 8.1.29, 8.2.20 and 8.3.8 and above include OpenSSL patches that fix the vulnerability.","status":"published","published":"2025-01-14T19:20:00.603Z","modified":"2026-09-08T08:48:18.169437063Z","updated_at":"2026-11-02T15:28:34.343258Z"},{"id":"CLSA-2025-1742661821","title":"openssl: Fix of CVE-2024-2408","description":"- CVE-2024-2408: introduce implicit rejection mechanism for RSA PKCS#1 v1.5","status":"published","published":"2025-03-22T16:43:47Z","modified":"2026-06-01T00:33:20.997149867Z","updated_at":"2026-11-02T15:43:41.66212Z"},{"id":"CLSA-2025-1742723010","title":"openssl: Fix of CVE-2024-2408","description":"- CVE-2024-2408: introduce implicit rejection mechanism for RSA PKCS#1 v1.5","status":"published","published":"2025-03-23T09:43:35Z","modified":"2026-06-01T00:33:19.915900483Z","updated_at":"2026-11-02T15:43:41.66212Z"}]}}