CVE-2024-43688

HIGH EPSS 40.4%
Published Aug 20, 20241y ago · Modified Jun 17, 20261w ago
7.3 CVSS 3.1
High
Find Similar
Published Aug 20, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.

CVSS Details

Base Score
7.3
Exploitability
3.9
Impact
3.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
40.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

References 3

  • github.com https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712
  • supernetworks.org https://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt
  • supernetworks.org https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.