Debian/glibc: medium 4.9
Passing an effectively empty string to the `,ccs=` syntax extension of the mode argument in the `fopen` function in the GNU C Library version 2.45 or earlier may result in a heap buffer overflow when
Action: Upgrade glibc to 2.43-5 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.43-5 | - |
Fixed versions
| 2.43-5 |
Sources
- osv: DEBIAN-CVE-2026-18374#Debian:14/glibc
- https://security-tracker.debian.org/tracker/CVE-2026-18374
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