CVE-2024-6259: zephyrproject-rtos zephyr Heap-based Buffer Overflow
CVSS: 7.6v3.1HighModified
Published 13-09-2024Last modified 17-09-2025
Vulnerability summary
CVE-2024-6259 is a high (CVSS 7.6) Heap-based Buffer Overflow vulnerability in zephyrproject-rtos zephyr. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.6/10
010
High · v3.1 (CVE.org)EPSS score
0.61%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 13-09-2024PublishedVulnerability first disclosed.
- 17-09-2025Last modifiedVulnerability information updated.
Description
BT: HCI: adv_ext_report Improper discarding in adv_ext_report
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:HSources2 sources · 6.5–7.6
- NVDNIST6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
0.00 pp
From 0.61% on 21-09-2026
21-09-202621-10-2026
EPSS score0.61%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundZephyr
Maturity: poc
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
2 vendors · 2 products