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9.8критическая

CVE-2020-37239

Описание

libbabl 0.1.62 contains a broken double free detection vulnerability that allows attackers to bypass memory safety checks by exploiting signature overwriting in freed chunks. Attackers can call babl_free() twice on the same pointer without triggering detection, as libc's malloc metadata overwrites babl's signature field upon freeing, enabling potential memory corruption and code execution.

CVSS
Балл9.8 — критическая
ВекторCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Источники
https://www.exploit-db.com/exploits/49259https://www.gegl.orghttps://www.gegl.org/babl/https://www.vulncheck.com/advisories/libbabl-broken-double-free-detection-memory-safety