{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"libcoap-devel-4.3.5a-1.1 on GA media","title":"Title of the patch"},{"category":"description","text":"These are all security issues fixed in the libcoap-devel-4.3.5a-1.1 package on the GA media of openSUSE Tumbleweed.","title":"Description of the patch"},{"category":"details","text":"openSUSE-Tumbleweed-2025-15780","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2025_15780-1.json"},{"category":"self","summary":"SUSE CVE CVE-2025-65493 page","url":"https://www.suse.com/security/cve/CVE-2025-65493/"},{"category":"self","summary":"SUSE CVE CVE-2025-65494 page","url":"https://www.suse.com/security/cve/CVE-2025-65494/"},{"category":"self","summary":"SUSE CVE CVE-2025-65495 page","url":"https://www.suse.com/security/cve/CVE-2025-65495/"},{"category":"self","summary":"SUSE CVE CVE-2025-65496 page","url":"https://www.suse.com/security/cve/CVE-2025-65496/"},{"category":"self","summary":"SUSE CVE CVE-2025-65497 page","url":"https://www.suse.com/security/cve/CVE-2025-65497/"},{"category":"self","summary":"SUSE CVE CVE-2025-65498 page","url":"https://www.suse.com/security/cve/CVE-2025-65498/"},{"category":"self","summary":"SUSE CVE CVE-2025-65499 page","url":"https://www.suse.com/security/cve/CVE-2025-65499/"},{"category":"self","summary":"SUSE CVE CVE-2025-65500 page","url":"https://www.suse.com/security/cve/CVE-2025-65500/"},{"category":"self","summary":"SUSE CVE CVE-2025-65501 page","url":"https://www.suse.com/security/cve/CVE-2025-65501/"}],"title":"libcoap-devel-4.3.5a-1.1 on GA media","tracking":{"current_release_date":"2025-11-28T00:00:00Z","generator":{"date":"2025-11-28T00:00:00Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"openSUSE-SU-2025:15780-1","initial_release_date":"2025-11-28T00:00:00Z","revision_history":[{"date":"2025-11-28T00:00:00Z","number":"1","summary":"Current 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src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted TLS certificate that causes i2d_X509() to return -1 and be misused as a malloc() size parameter.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.aarch64","openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.ppc64le","openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.s390x","openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.x86_64","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.aarch64","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.ppc64le","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.s390x","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.x86_64","openSUSE Tumbleweed:libcoap3-3-4.3.5a-1.1.aarch64","openSUSE Tumbleweed:libcoap3-3-4.3.5a-1.1.ppc64le","openSUSE Tumbleweed:libcoap3-3-4.3.5a-1.1.s390x","openSUSE 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description"}],"product_status":{"recommended":["openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.aarch64","openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.ppc64le","openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.s390x","openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.x86_64","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.aarch64","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.ppc64le","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.s390x","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.x86_64","openSUSE Tumbleweed:libcoap3-3-4.3.5a-1.1.aarch64","openSUSE Tumbleweed:libcoap3-3-4.3.5a-1.1.ppc64le","openSUSE Tumbleweed:libcoap3-3-4.3.5a-1.1.s390x","openSUSE Tumbleweed:libcoap3-3-4.3.5a-1.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-65500","url":"https://www.suse.com/security/cve/CVE-2025-65500"},{"category":"external","summary":"SUSE Bug 1254192 for CVE-2025-65500","url":"https://bugzilla.suse.com/1254192"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE 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Page","text":"https://www.suse.com/security/cve/CVE-2025-65501"}],"notes":[{"category":"general","text":"Null pointer dereference in coap_dtls_info_callback() in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a DTLS handshake where SSL_get_app_data() returns NULL.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.aarch64","openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.ppc64le","openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.s390x","openSUSE Tumbleweed:libcoap-devel-4.3.5a-1.1.x86_64","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.aarch64","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.ppc64le","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.s390x","openSUSE Tumbleweed:libcoap-utils-4.3.5a-1.1.x86_64","openSUSE Tumbleweed:libcoap3-3-4.3.5a-1.1.aarch64","openSUSE Tumbleweed:libcoap3-3-4.3.5a-1.1.ppc64le","openSUSE Tumbleweed:libcoap3-3-4.3.5a-1.1.s390x","openSUSE 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