Description
A vulnerability was found in GNU C Library 2.38. It has been declared as critical. This vulnerability affects the function __monstartup of the file gmon.c of the component Call Graph Monitor. The manipulation leads to buffer overflow. It is recommended to apply a patch to fix this issue. VDB-220246 is the identifier assigned to this vulnerability. NOTE: The real existence of this vulnerability is still doubted at the moment. The inputs that induce this vulnerability are basically addresses of the running application that is built with gmon enabled. It's basically trusted input or input that needs an actual security flaw to be compromised or controlled.
References (4)
Core 4
Core References
Issue Tracking, Patch, Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=29444
Permissions Required, Third Party Advisory
https://vuldb.com/?ctiid.220246
Permissions Required, Third Party Advisory
https://vuldb.com/?id.220246
Scores
CVSS v3
4.6
EPSS
0.0006
EPSS Percentile
19.2%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (1)
gnu/glibc
< 2.38
Published
Feb 06, 2023
Tracked Since
Feb 18, 2026