CVE-2026-58088

creationtimestamp| type| source ---|---|--- 2026-08-19 09:41:30+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/eokjahqry7yos 2026-08-19 12:15:13+00:00| seen| https://www.incibe.es/incibe-cert/alerta-temprana/vulnerabilidades/cve-2026-58088...

CVE-2026-58088 Race condition in ELF core dump segment counting

The ELF core dump code counted the number of dumpable VM map entries, allocated a buffer for the corresponding program headers, then iterated over the map a second time to populate them. A process sharing the address space via rfork2 can mutate the map between the two passes, causing the second...

CVE-2026-58088

Affected: All supported FreeBSD versions. Root cause: A race condition in ELF core dump code — a second-pass write to the program-header buffer is not bounds-checked against the count from the first pass, so a process sharing the address space via rfork(2) can mutate the VM map between passes. Im...

FreeBSD-SA-26:55.elf

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:55.elf Security Advisory The FreeBSD Project Topic: Race condition in ELF core dump segment counting Category: core Module: elf Announced: 2026-07-29 Credits...