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| Vulnerability ID | VCID-hcvr-hu4f-4fhs |
| Aliases |
CVE-2020-14308
|
| Summary | grub2: grub_malloc does not validate allocation size allowing for arithmetic overflow and subsequent heap-based buffer overflow |
| Status | Published |
| Exploitability | None |
| Weighted Severity | None |
| Risk | None |
| Affected and Fixed Packages | Package Details |
| CWE-190 | Integer Overflow or Wraparound |
| CWE-122 | Heap-based Buffer Overflow |
| System | Score | Found at |
|---|---|---|
| cvssv3 | 6.4 | https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14308.json |
| epss | 0.00034 | https://api.first.org/data/v1/epss?cve=CVE-2020-14308 |
| cvssv3.1 | 6.4 | https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Percentile | 0.10447 |
| EPSS Score | 0.00034 |
| Published At | May 29, 2026, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2026-05-29T09:19:54.069491+00:00 | RedHat Importer | Import | https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14308.json | 38.6.0 |