Fallos del tipo CWE-122

3210 resultados

Estouro de heap

É quando o código escreve dados além dos limites de um buffer alocado no heap (memória dinâmica), sobrescrevendo dados de outras estruturas adjacentes. Esse estouro pode corromper metadados do heap, variáveis vizinhas ou objetos do programa, permitindo execução de código arbitrário ou negação de serviço.

Ejemplo

Um servidor web recebe uma string de tamanho arbitrário e a copia para um buffer de 256 bytes sem validar o comprimento (ex: strcpy em C). Se o atacante enviar 500 bytes, o restante escreve além da zona alocada, corrompendo estruturas próximas e potencialmente ganhando controle do fluxo.

Cómo mitigar

Use funções seguras (strncpy, strlcpy, snprintf em C) que respeitam limites de tamanho; valide e sanitize entrada do usuário antes de copiar; ative proteções do SO (ASLR, DEP/NX); use linguagens de memória segura quando possível; aplique verificações de limites em loops de cópia.

CVE-2026-49184HIGHWindows NTFS Remote Code Execution VulnerabilityEPSS 0.3%CVE-2026-70130HIGHMicrosoft Office Remote Code Execution VulnerabilityEPSS 0.3%CVE-2026-48430HIGHSubstance3D - Designer | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-34628HIGHInDesign Desktop | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-81992HIGHAcrobat Reader | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-27238HIGHInDesign Desktop | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-34687HIGHIllustrator | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-75766HIGHSubstance3D - Painter | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-27271HIGHIllustrator | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-75750HIGHSubstance3D - Painter | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-47964HIGHDNG SDK | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-27313HIGHBridge | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-34674HIGHSubstance3D - Sampler | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-82006HIGHPhotoshop Desktop | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-34701HIGHInDesign Desktop | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-48432HIGHSubstance3D - Designer | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-34698HIGHInDesign Desktop | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-27293HIGHAdobe Framemaker | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-54992HIGHMicrosoft Message Queuing Queue Manager Remote Code Execution VulnerabilityEPSS 0.3%CVE-2026-34642HIGHAfter Effects | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%