{ "document": { "aggregate_severity": { "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" }, { "category": "details", "text": "* SECURITY UPDATE: HollowByte handshake-buffer pre-allocation DoS\n - debian/patches/openssl-1.1.1-hollowbyte.patch: grow the handshake\n init_buf incrementally as data is received instead of pre-allocating\n the full peer-declared message size, so a peer that claims a large\n message but never sends it can no longer strand memory. Backport of\n OpenSSL 3.0 commit c5785a5e35 (PR #30794). OpenSSL handled this as a\n \"bug or hardening\" fix, so no CVE was assigned.\n - ELS-2635", "title": "Details" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "https://cve.tuxcare.com/els-alt-common/releases/CLSA-2026:1785893584", "url": "https://cve.tuxcare.com/els-alt-common/releases/CLSA-2026:1785893584" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_alt_common/debian13/advisories/2026/clsa-2026_1785893584.json" } ], "tracking": { "current_release_date": "2026-08-05T09:39:24Z", "generator": { "date": "2026-08-05T09:39:24Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1785893584", "initial_release_date": "2026-08-05T01:33:07Z", "revision_history": [ { "date": "2026-08-05T01:33:07Z", "number": "1", "summary": "Initial version" }, { "date": "2026-08-05T09:39:24Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Fix CVE(s): CVE-2025-69419" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Debian 13", "product": { "name": "Debian 13", "product_id": "Debian-13", "product_identification_helper": { "cpe": "cpe:2.3:o:debian:debian_linux:13:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Debian" } ], "category": "vendor", "name": "Software in the Public Interest, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "alt-openssl11-dev-0:1.1.1w-3.7.arm64", "product": { "name": "alt-openssl11-dev-0:1.1.1w-3.7.arm64", "product_id": "alt-openssl11-dev-0:1.1.1w-3.7.arm64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/alt-openssl11-dev@1.1.1w-3.7?arch=arm64&os_name=debian&os_version=13" } } }, { "category": "product_version", "name": "alt-openssl11-0:1.1.1w-3.7.arm64", "product": { "name": "alt-openssl11-0:1.1.1w-3.7.arm64", "product_id": "alt-openssl11-0:1.1.1w-3.7.arm64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/alt-openssl11@1.1.1w-3.7?arch=arm64&os_name=debian&os_version=13" } } }, { "category": "product_version", "name": "alt-openssl11-libs-0:1.1.1w-3.7.arm64", "product": { "name": "alt-openssl11-libs-0:1.1.1w-3.7.arm64", "product_id": "alt-openssl11-libs-0:1.1.1w-3.7.arm64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/alt-openssl11-libs@1.1.1w-3.7?arch=arm64&os_name=debian&os_version=13" } } }, { "category": "product_version", "name": "alt-openssl-libs-0:1.1.1w-3.5.arm64", "product": { "name": "alt-openssl-libs-0:1.1.1w-3.5.arm64", "product_id": "alt-openssl-libs-0:1.1.1w-3.5.arm64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/alt-openssl-libs@1.1.1w-3.5?arch=arm64&os_name=debian&os_version=13" } } }, { "category": "product_version", "name": "alt-openssl-0:1.1.1w-3.5.arm64", "product": { "name": 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"alt-openssl-0:1.1.1w-3.1.arm64", "relates_to_product_reference": "Debian-13" }, { "category": "default_component_of", "full_product_name": { "name": "alt-openssl-0:1.1.1w-3.1.amd64 as a component of Debian 13", "product_id": "Debian-13:alt-openssl-0:1.1.1w-3.1.amd64" }, "product_reference": "alt-openssl-0:1.1.1w-3.1.amd64", "relates_to_product_reference": "Debian-13" }, { "category": "default_component_of", "full_product_name": { "name": "alt-openssl-doc-0:1.1.1w-3.1.all as a component of Debian 13", "product_id": "Debian-13:alt-openssl-doc-0:1.1.1w-3.1.all" }, "product_reference": "alt-openssl-doc-0:1.1.1w-3.1.all", "relates_to_product_reference": "Debian-13" }, { "category": "default_component_of", "full_product_name": { "name": "alt-openssl-dev-0:1.1.1w-3.1.arm64 as a component of Debian 13", "product_id": "Debian-13:alt-openssl-dev-0:1.1.1w-3.1.arm64" }, "product_reference": "alt-openssl-dev-0:1.1.1w-3.1.arm64", "relates_to_product_reference": "Debian-13" }, { "category": "default_component_of", "full_product_name": { "name": "alt-openssl-dev-0:1.1.1w-3.1.amd64 as a component of Debian 13", "product_id": "Debian-13:alt-openssl-dev-0:1.1.1w-3.1.amd64" }, "product_reference": "alt-openssl-dev-0:1.1.1w-3.1.amd64", "relates_to_product_reference": "Debian-13" }, { "category": "default_component_of", "full_product_name": { "name": "alt-openssl-libs-0:1.1.1w-3.1.arm64 as a component of Debian 13", "product_id": "Debian-13:alt-openssl-libs-0:1.1.1w-3.1.arm64" }, "product_reference": "alt-openssl-libs-0:1.1.1w-3.1.arm64", "relates_to_product_reference": "Debian-13" }, { "category": "default_component_of", "full_product_name": { "name": "alt-openssl-libs-0:1.1.1w-3.1.amd64 as a component of Debian 13", "product_id": "Debian-13:alt-openssl-libs-0:1.1.1w-3.1.amd64" }, "product_reference": "alt-openssl-libs-0:1.1.1w-3.1.amd64", "relates_to_product_reference": "Debian-13" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-69419", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "description", "text": "Issue summary: Calling PKCS12_get_friendlyname() function on a maliciously\ncrafted PKCS#12 file with a BMPString (UTF-16BE) friendly name containing\nnon-ASCII BMP code point can trigger a one byte write before the allocated\nbuffer.\n\nImpact summary: The out-of-bounds write can cause a memory corruption\nwhich can have various consequences including a Denial of Service.\n\nThe OPENSSL_uni2utf8() function performs a two-pass conversion of a PKCS#12\nBMPString (UTF-16BE) to UTF-8. In the second pass, when emitting UTF-8 bytes,\nthe helper function bmp_to_utf8() incorrectly forwards the remaining UTF-16\nsource byte count as the destination buffer capacity to UTF8_putc(). For BMP\ncode points above U+07FF, UTF-8 requires three bytes, but the forwarded\ncapacity can be just two bytes. UTF8_putc() then returns -1, and this negative\nvalue is added to the output length without validation, causing the\nlength to become negative. The subsequent trailing NUL byte is then written\nat a negative offset, causing write outside of heap allocated buffer.\n\nThe vulnerability is reachable via the public PKCS12_get_friendlyname() API\nwhen parsing attacker-controlled PKCS#12 files. While PKCS12_parse() uses a\ndifferent code path that avoids this issue, PKCS12_get_friendlyname() directly\ninvokes the vulnerable function. Exploitation requires an attacker to provide\na malicious PKCS#12 file to be parsed by the application and the attacker\ncan just trigger a one zero byte write before the allocated buffer.\nFor that reason the issue was assessed as Low severity according to our\nSecurity 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 and 1.1.1 are vulnerable to this issue.\n\nOpenSSL 1.0.2 is not affected by this issue.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Debian-13:alt-openssl11-0:1.1.1w-3.7.amd64", "Debian-13:alt-openssl11-0:1.1.1w-3.7.arm64", "Debian-13:alt-openssl11-dev-0:1.1.1w-3.7.amd64", "Debian-13:alt-openssl11-dev-0:1.1.1w-3.7.arm64", "Debian-13:alt-openssl11-doc-0:1.1.1w-3.7.all", "Debian-13:alt-openssl11-libs-0:1.1.1w-3.7.amd64", "Debian-13:alt-openssl11-libs-0:1.1.1w-3.7.arm64" ], "known_affected": [ "Debian-13:alt-openssl-0:1.1.1w-3.1.amd64", "Debian-13:alt-openssl-0:1.1.1w-3.1.arm64", "Debian-13:alt-openssl-0:1.1.1w-3.2.amd64", "Debian-13:alt-openssl-0:1.1.1w-3.2.arm64", "Debian-13:alt-openssl-0:1.1.1w-3.4.amd64", "Debian-13:alt-openssl-0:1.1.1w-3.4.arm64", "Debian-13:alt-openssl-0:1.1.1w-3.5.amd64", "Debian-13:alt-openssl-0:1.1.1w-3.5.arm64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.1.amd64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.1.arm64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.2.amd64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.2.arm64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.4.amd64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.4.arm64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.5.amd64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.5.arm64", "Debian-13:alt-openssl-doc-0:1.1.1w-3.1.all", "Debian-13:alt-openssl-doc-0:1.1.1w-3.2.all", "Debian-13:alt-openssl-doc-0:1.1.1w-3.4.all", "Debian-13:alt-openssl-doc-0:1.1.1w-3.5.all", "Debian-13:alt-openssl-libs-0:1.1.1w-3.1.amd64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.1.arm64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.2.amd64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.2.arm64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.4.amd64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.4.arm64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.5.amd64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.5.arm64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els-alt-common/cve/CVE-2025-69419" }, { "category": "external", "summary": "https://github.com/openssl/openssl/commit/41be0f216404f14457bbf3b9cc488dba60b49296", "url": "https://github.com/openssl/openssl/commit/41be0f216404f14457bbf3b9cc488dba60b49296" }, { "category": "external", "summary": "https://github.com/openssl/openssl/commit/7e9cac9832e4705b91987c2474ed06a37a93cecb", "url": "https://github.com/openssl/openssl/commit/7e9cac9832e4705b91987c2474ed06a37a93cecb" }, { "category": "external", "summary": "https://github.com/openssl/openssl/commit/a26a90d38edec3748566129d824e664b54bee2e2", "url": "https://github.com/openssl/openssl/commit/a26a90d38edec3748566129d824e664b54bee2e2" }, { "category": "external", "summary": "https://github.com/openssl/openssl/commit/cda12de3bc0e333ea8d2c6fd15001dbdaf280015", "url": "https://github.com/openssl/openssl/commit/cda12de3bc0e333ea8d2c6fd15001dbdaf280015" }, { "category": "external", "summary": "https://github.com/openssl/openssl/commit/ff628933755075446bca8307e8417c14d164b535", "url": "https://github.com/openssl/openssl/commit/ff628933755075446bca8307e8417c14d164b535" }, { "category": "external", "summary": "https://openssl-library.org/news/secadv/20260127.txt", "url": "https://openssl-library.org/news/secadv/20260127.txt" }, { "category": "external", "summary": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html" } ], "release_date": "2026-01-27T16:16:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-08-05T01:33:07.072592Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els-alt-common/releases/CLSA-2026:1785893584", "product_ids": [ "Debian-13:alt-openssl11-0:1.1.1w-3.7.amd64", "Debian-13:alt-openssl11-0:1.1.1w-3.7.arm64", "Debian-13:alt-openssl11-dev-0:1.1.1w-3.7.amd64", "Debian-13:alt-openssl11-dev-0:1.1.1w-3.7.arm64", "Debian-13:alt-openssl11-doc-0:1.1.1w-3.7.all", "Debian-13:alt-openssl11-libs-0:1.1.1w-3.7.amd64", "Debian-13:alt-openssl11-libs-0:1.1.1w-3.7.arm64" ], "url": "https://cve.tuxcare.com/els-alt-common/releases/CLSA-2026:1785893584" }, { "category": "none_available", "date": "2026-01-27T16:16:00Z", "details": "Affected", "product_ids": [ "Debian-13:alt-openssl-0:1.1.1w-3.1.amd64", "Debian-13:alt-openssl-0:1.1.1w-3.1.arm64", "Debian-13:alt-openssl-0:1.1.1w-3.2.amd64", "Debian-13:alt-openssl-0:1.1.1w-3.2.arm64", "Debian-13:alt-openssl-0:1.1.1w-3.4.amd64", "Debian-13:alt-openssl-0:1.1.1w-3.4.arm64", "Debian-13:alt-openssl-0:1.1.1w-3.5.amd64", "Debian-13:alt-openssl-0:1.1.1w-3.5.arm64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.1.amd64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.1.arm64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.2.amd64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.2.arm64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.4.amd64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.4.arm64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.5.amd64", "Debian-13:alt-openssl-dev-0:1.1.1w-3.5.arm64", "Debian-13:alt-openssl-doc-0:1.1.1w-3.1.all", "Debian-13:alt-openssl-doc-0:1.1.1w-3.2.all", "Debian-13:alt-openssl-doc-0:1.1.1w-3.4.all", "Debian-13:alt-openssl-doc-0:1.1.1w-3.5.all", "Debian-13:alt-openssl-libs-0:1.1.1w-3.1.amd64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.1.arm64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.2.amd64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.2.arm64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.4.amd64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.4.arm64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.5.amd64", "Debian-13:alt-openssl-libs-0:1.1.1w-3.5.arm64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" }, "products": [ "Debian-13:alt-openssl11-0:1.1.1w-3.7.amd64", "Debian-13:alt-openssl11-0:1.1.1w-3.7.arm64", "Debian-13:alt-openssl11-dev-0:1.1.1w-3.7.amd64", "Debian-13:alt-openssl11-dev-0:1.1.1w-3.7.arm64", "Debian-13:alt-openssl11-doc-0:1.1.1w-3.7.all", "Debian-13:alt-openssl11-libs-0:1.1.1w-3.7.amd64", "Debian-13:alt-openssl11-libs-0:1.1.1w-3.7.arm64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }