CVE-2026-5450
CRITICALTHE GNU C Library Glibc < 2.7 - Buffer Overflow
Title source: ruleDescription
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.
Scores
CVSS v3
9.8
EPSS
0.0004
EPSS Percentile
13.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-122
CWE-787
Status
published
Products (2)
gnu/glibc
2.7 - 2.43
The GNU C Library/glibc
2.7
Published
Apr 20, 2026
Tracked Since
Apr 21, 2026