Weaknesses of type CWE-122

3,195 results

Transbordamento de heap (heap overflow)

Ocorre quando um programa escreve dados além dos limites de um buffer alocado dinamicamente na memória heap, sobrescrevendo dados adjacentes ou metadados do alocador. Isso permite que um atacante corrompa estruturas críticas, execute código arbitrário ou cause travamento da aplicação.

Example

Uma função recebe um tamanho de entrada sem validar e copia para um buffer: `strcpy(heap_buffer, user_input)` sem verificar se user_input cabe. Se o usuário enviar 1000 bytes para um buffer de 256, o overflow sobrescreve estruturas próximas no heap e pode ser explorado para RCE.

How to mitigate

Use funções seguras de cópia (`strncpy`, `strlcpy`), valide e limite o tamanho da entrada antes de copiar, e considere usar linguagens com gerenciamento automático de memória ou ferramentas como AddressSanitizer durante testes para detectar overflows.

CVE-2026-70304MEDIUMWindows DNS Elevation of Privilege VulnerabilityEPSS 0.3%CVE-2026-22164HIGHGPU DDK - Kernel heap OOB write in DevmemIntComputeVirtualIndicesFromLogicalEPSS 0.3%CVE-2026-34701HIGHInDesign Desktop | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-48291HIGHFormat Plugins | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-48428HIGHSubstance3D - Designer | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-81992HIGHAcrobat Reader | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-49184HIGHWindows NTFS Remote Code Execution VulnerabilityEPSS 0.3%CVE-2026-34630HIGHBridge | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-27312HIGHBridge | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-34707HIGHInCopy | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-48292HIGHFormat Plugins | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-27271HIGHIllustrator | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-82006HIGHPhotoshop Desktop | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-48424HIGHSubstance3D - Sampler | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-34687HIGHIllustrator | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-83959HIGHSubstance3D - Sampler | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-48430HIGHSubstance3D - Designer | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-34698HIGHInDesign Desktop | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-48269HIGHPremiere Pro | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%CVE-2026-48373HIGHAcrobat Reader | Heap-based Buffer Overflow (CWE-122)EPSS 0.3%