Weaknesses of type CWE-787

5,846 results

Escrita fora dos limites da memória

Ocorre quando o código escreve dados em um endereço de memória fora do intervalo alocado para uma estrutura (array, buffer, objeto). O programa não valida o tamanho ou índice antes de escrever, permitindo sobrescrever memória adjacente — causando corrupção de dados, queda da aplicação ou execução arbitrária de código.

Example

Um formulário web que copia o valor de um campo do usuário para um buffer de 64 bytes sem verificar o comprimento: se o atacante enviar 200 caracteres, a escrita invade a memória vizinha e pode sobrescrever um ponteiro de função ou variável crítica.

How to mitigate

Sempre validar tamanhos de entrada antes de copiar (usar `strncpy` em vez de `strcpy`, ou bibliotecas seguras como `bounds-checking`); usar linguagens com verificação automática de limites (Java, Rust); aplicar testes de fuzzing e análise estática de código para detectar escritas desprotegidas.

CVE-2020-15208HIGHData corruption in tensorflow-liteEPSS 0.9%CVE-2023-23518HIGHThe issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.3, macOS Ventura 13.2, watchOS 9.3, macOS EPSS 0.9%CVE-2025-14231CRITICALBuffer overflow in print job processing by WSD on Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on tEPSS 0.9%CVE-2025-14235CRITICALBuffer overflow in XPS font fpgm data processing on Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker onEPSS 0.9%CVE-2022-35030MEDIUMOTFCC commit 617837b was discovered to contain a segmentation violation via /release-x64/otfccdump+0x4fe954.EPSS 0.9%CVE-2022-35023MEDIUMOTFCC commit 617837b was discovered to contain a segmentation violation via /lib/x86_64-linux-gnu/libc.so.6+0xbb384.EPSS 0.9%CVE-2025-14234CRITICALBuffer overflow in CPCA list processing on Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the netwEPSS 0.9%CVE-2023-29416MEDIUMAn issue was discovered in libbzip3.a in bzip3 before 1.3.0. A bz3_decode_block out-of-bounds write can occur with a crafted archive becauseEPSS 0.9%CVE-2025-14232CRITICALBuffer overflow in XML processing of XPS file in Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on thEPSS 0.9%CVE-2025-14236CRITICALBuffer overflow in Address Book attribute tag processing on Small Office Multifunction Printers(*) which may allow an attacker on the networEPSS 0.9%CVE-2023-27042HIGHTenda AX3 V16.03.12.11 is vulnerable to Buffer Overflow via /goform/SetFirewallCfg.EPSS 0.9%CVE-2022-45509HIGHTenda W30E V1.0.1.25(633) was discovered to contain a stack overflow via the account parameter at /goform/addUserName.EPSS 0.9%CVE-2022-45508HIGHTenda W30E V1.0.1.25(633) was discovered to contain a stack overflow via the new_account parameter at /goform/editUserName.EPSS 0.9%CVE-2022-45524HIGHTenda W30E V1.0.1.25(633) was discovered to contain a stack overflow via the opttype parameter at /goform/IPSECsave.EPSS 0.9%CVE-2022-45522HIGHTenda W30E V1.0.1.25(633) was discovered to contain a stack overflow via the page parameter at /goform/SafeClientFilter.EPSS 0.9%CVE-2022-45520HIGHTenda W30E V1.0.1.25(633) was discovered to contain a stack overflow via the page parameter at /goform/qossetting.EPSS 0.9%CVE-2022-45501HIGHTenda W6-S v1.0.0.4(510) was discovered to contain a stack overflow via the wl_radio parameter at /goform/wifiSSIDset.EPSS 0.9%CVE-2023-29462HIGHRockwell Automation Arena Simulation Software Remote Code Execution VulnerabilityEPSS 0.9%CVE-2022-45518HIGHTenda W30E V1.0.1.25(633) was discovered to contain a stack overflow via the page parameter at /goform/SetIpBind.EPSS 0.9%CVE-2022-45499HIGHTenda W6-S v1.0.0.4(510) was discovered to contain a stack overflow via the wl_radio parameter at /goform/WifiMacFilterGet.EPSS 0.9%