CVE-2026-5450
9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
Description
Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow.
Affected (1)
Related CWEs
CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
References (4)
Source: 3ff69d7a-14f2-4f67-a097-88dee7810d18
Third Party Advisory
Source: 3ff69d7a-14f2-4f67-a097-88dee7810d18
ExploitIssue Tracking
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
ExploitIssue Tracking
Timeline
No history available yet.