← Voltar para CVEs
CVE-2021-3420
CRITICAL9.8
Descricao
A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer overflow, leading to an allocation of a small buffer and then to a heap-based buffer overflow.
Detalhes CVE
Pontuacao CVSS v3.19.8
SeveridadeCRITICAL
Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vetor de ataqueNETWORK
ComplexidadeLOW
Privilegios necessariosNONE
Interacao do usuarioNONE
Publicado3/5/2021
Ultima modificacao11/21/2024
Fontenvd
Avistamentos honeypot0
Produtos afetados
fedoraproject:fedoranewlib_project:newlib
Fraquezas (CWE)
CWE-190
Referencias
https://bugzilla.redhat.com/show_bug.cgi?id=1934088(secalert@redhat.com)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEBF6YHWFNCBW5A2ENSQ3Z56ELF4MTRE/(secalert@redhat.com)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AMK54N6UOPBFFX2YT32TWSAEFTHGSKAA/(secalert@redhat.com)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQZEUANAWBBAOC4TF5PTPJVLMUR7SFD/(secalert@redhat.com)
https://bugzilla.redhat.com/show_bug.cgi?id=1934088(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEBF6YHWFNCBW5A2ENSQ3Z56ELF4MTRE/(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AMK54N6UOPBFFX2YT32TWSAEFTHGSKAA/(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQZEUANAWBBAOC4TF5PTPJVLMUR7SFD/(af854a3a-2127-422b-91ae-364da2661108)
Correlacoes IOC
Sem correlacoes registradas
This product uses data from the NVD API but is not endorsed or certified by the NVD.