critical9.8
CVE-2026-5450
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…
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Gnu | Glibc | from 2.7 through 2.43 |
Weakness classification
References
- NVD record
- CVE.org record
- https://inbox.sourceware.org/libc-announce/b11f0003-6ec1-4bd6-b9de-9e38a4efeca3@redhat.com/T/#u
- https://sourceware.org/bugzilla/show_bug.cgi?id=CVE-2026-5450
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://sourceware.org/bugzilla/show_bug.cgi?id=CVE-2026-5450