Fallos del tipo CWE-125
5094 resultadosLeitura fora dos limites do buffer
Ocorre quando o código tenta acessar dados além das fronteiras válidas de um buffer (array, string, estrutura), lendo memória que não deveria. O risco é expor informações sensíveis da memória adjacente ou causar crash da aplicação.
Ejemplo
Uma função que processa strings sem validar o tamanho da entrada pode ler bytes além do final da string alocada, vazando dados de memória ou causando segmentation fault. Exemplo: strcpy() copiando para buffer menor sem checagem.
Cómo mitigar
Use funções seguras com limite explícito (strlen com buffer_size, strncpy, snprintf), valide índices antes de acessar arrays, e ative verificações de limite em tempo de compilação ou execução (-ftrapv, ASAN, bounds checking).
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a denial of service condition. An attacker may cause a deniEPSS 1.4%CVE-2022-4203MEDIUMX.509 Name Constraints Read Buffer OverflowEPSS 1.4%CVE-2021-33644—An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable EPSS 1.4%CVE-2025-9086HIGHOut of bounds read for cookie pathEPSS 1.4%CVE-2022-2287HIGHOut-of-bounds Read in vim/vimEPSS 1.4%CVE-2022-47940HIGHAn issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the nonEPSS 1.4%CVE-2022-0393HIGHOut-of-bounds Read in vim/vimEPSS 1.4%CVE-2022-1304HIGHAn out-of-bounds read/write vulnerability was found in e2fsprogs 1.46.5. This issue leads to a segmentation fault and possibly arbitrary codEPSS 1.4%CVE-2019-15682—RDesktop version 1.8.4 contains multiple out-of-bound access read vulnerabilities in its code, which results in a denial of service (DoS) coEPSS 1.4%CVE-2026-25181HIGHGDI+ Information Disclosure VulnerabilityEPSS 1.4%CVE-2022-34277—A vulnerability has been identified in PADS Standard/Plus Viewer (All versions). The affected application is vulnerable to an out of bounds EPSS 1.4%CVE-2022-34280—A vulnerability has been identified in PADS Standard/Plus Viewer (All versions). The affected application is vulnerable to an out of bounds EPSS 1.4%CVE-2022-34281—A vulnerability has been identified in PADS Standard/Plus Viewer (All versions). The affected application is vulnerable to an out of bounds EPSS 1.4%CVE-2022-34272—A vulnerability has been identified in PADS Standard/Plus Viewer (All versions). The affected application is vulnerable to an out of bounds EPSS 1.4%CVE-2022-34279—A vulnerability has been identified in PADS Standard/Plus Viewer (All versions). The affected application is vulnerable to an out of bounds EPSS 1.4%CVE-2022-34278—A vulnerability has been identified in PADS Standard/Plus Viewer (All versions). The affected application is vulnerable to an out of bounds EPSS 1.4%CVE-2023-21693MEDIUMMicrosoft PostScript and PCL6 Class Printer Driver Information Disclosure VulnerabilityEPSS 1.4%CVE-2020-36074HIGHSQL injection vulnerability found in Tailor Mangement System v.1 allows a remote attacker to execute arbitrary code via the title parameter.EPSS 1.4%