MEDIUMCVSS v3.1 6.7Vulnerability
CVE-2026-58977
In is_valid_header of timed_cache_item.c, there is a possible out-of-bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-04T01:29:06.847378+00:00
- Epss score
- 0.00147
- Cvss score
- 6.7
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-04T01:32:29+00:00
- Last source
- FIRST EPSS
- Score
- 6.7
- Cvss version
- 3.1
- Cve id
- CVE-2026-58977
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-11-03T00:56:41+00:00
- Name
- CVE-2026-58977
- Vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-11-02T21:17:37.837
- Last modified
- 2026-11-03T16:17:32.977
- Epss percentile
- 0.03938
Related Entities (1)
HAS_WEAKNESS (1)
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