VDB
CVE-2026-5450
CVE-2026-5450
PUBLISHED
CVSS 9.300000190734863 CRITICAL
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.
EPSS 0.07% · 22.2th percentile
Risk Scores
CVSS v4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.07%
22.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| The GNU C Library | glibc | 2.7 |
Timeline
- Apr 20, 2026 CVE Published
- Apr 20, 2026 PoC Published
- Apr 21, 2026 EPSS Score
- Apr 21, 2026 Security Advisory
- Apr 21, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score