CVE-2019-25051 – aspell: Heap-buffer-overflow in acommon::ObjStack::dup_top

https://notcve.org/view.php?id=CVE-2019-25051

objstack in GNU Aspell 0.60.8 has a heap-based buffer overflow in acommon::ObjStack::dup_top (called from acommon::StringMap::add and acommon::Config::lookup_list). objstack en GNU Aspell versión 0.60.8, presenta un desbordamiento de búfer en la región heap de la memoria en la función acommon::ObjStack::dup_top (llamado desde acommon::StringMap::add y acommon::Config::lookup_list) • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18462 https://github.com/gnuaspell/aspell/commit/0718b375425aad8e54e1150313b862e4c6fd324a https://github.com/google/oss-fuzz-vulns/blob/main/vulns/aspell/OSV-2020-521.yaml https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H7E4EI7F6TVN7K6XWU6HSANMCOKKEREE https://www.debian.org/security/2021/dsa-4948 https://access.redhat.com/security/cve/CVE- • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •