PT-2025-47913 · Libcoap+2 · Libcoap+2

CVE-2025-65499 · Publicado 2025-11-24 · Atualizado 2026-02-24

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Média

Vetor base

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions libcoap version 4.3.5

Description An array index error exists in the tls verify call back() function located in src/coap openssl.c. This flaw allows remote attackers to potentially cause a denial of service by sending a specially crafted DTLS handshake that triggers SSL get ex data X509 STORE CTX idx() to return -1.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Improper Validation of Array Index

Enumeração de Fraquezas

CWE-129

Identificadores relacionados

CVE-2025-65499

OPENSUSE-SU-2025:15780-1

Produtos afetados

Debian

Red Os

Libcoap

Referências · 26

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65499.json · Exploit
• https://github.com/obgm/libcoap/issues/1747 · Nota
• https://github.com/obgm/libcoap/pull/1750 · Correção
• https://suse.com/security/cve/CVE-2025-65496 · Nota
• https://suse.com/security/cve/CVE-2025-65500 · Nota
• https://t.me/cveNotify/144441 · Publicação no Telegram
• https://t.me/CVEtracker/38077 · Publicação no Telegram
• https://twitter.com/dailycve/status/1995558779958821170 · Publicação no Twitter
• https://suse.com/security/cve/CVE-2025-65498 · Nota
• https://suse.com/security/cve/CVE-2025-65493 · Nota
• https://suse.com/security/cve/CVE-2025-65499 · Nota
• https://t.me/cveNotify/143795 · Publicação no Telegram
• https://osv.dev/vulnerability/CVE-2025-65499 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2025-65497 · Nota
• https://cve.org/CVERecord?id=CVE-2025-65499 · Nota de Segurança