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CVE-2021-3826: gcc 11.2; +4 more affected products
CVE-2021-3826. CVSS 3.1 base score 6.5 (MEDIUM, NVD). EPSS 0.01377 (percentile 0.71363), scored 13-Oct-2026.
Affected technology
gcc · 11.2
gnu
fedora · 35
fedoraproject
fedora · 36
fedoraproject
fedora · 37
fedoraproject
gcc · gcc 11.2.0
Vendor not specified by the source
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens
Component: Not specified by the source
Function: in
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · User interaction required
What an attacker can do
The source reports that an attacker could disrupt service. NVD’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-119, CWE-787
- CCR priority
- 26.3 /100 (P4)
- CVSS 3.1
- 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H · NVD
- EPSS
- 0.01377 · percentile 0.71363 · 2026-10-13
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-14 16:01:16.619248+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-14 15:56:36.793806+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2021-3826.html