PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
10.49Exploitability
AV:NAC:LPR:LUI:NScope
S:UImpact
C:LI:HA:L7.6/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:LMemory Safety