This usage pattern is not seen in applications in common GNU/Linux distributions and applications that process user-supplied values for `ccs` should not pass them through without validation.
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Fri, 28 Aug 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Fri, 28 Aug 2026 05:45:00 +0000
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| First Time appeared |
The Gnu C Library
The Gnu C Library glibc |
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| Vendors & Products |
The Gnu C Library
The Gnu C Library glibc |
Thu, 27 Aug 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 the mode string input to the function is attacker controlled. This usage pattern is not seen in applications in common GNU/Linux distributions and applications that process user-supplied values for `ccs` should not pass them through without validation. | |
| Weaknesses | CWE-787 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: glibc
Published:
Updated: 2026-08-28T15:37:10.821Z
Reserved: 2026-07-30T10:48:56.220Z
Link: CVE-2026-18374
Updated: 2026-08-27T22:21:53.526Z
Status : Received
Published: 2026-08-27T20:17:03.553
Modified: 2026-08-28T20:17:22.863
Link: CVE-2026-18374
No data.
OpenCVE Enrichment
Updated: 2026-08-28T06:30:18Z