Buffer overflow in Jerryscript

CVE-2019-1010176

JerryScript commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 is affected by: Buffer Overflow. The impact is: denial of service and possibly arbitrary code execution. The component is: function lit_char_to_utf8_bytes (jerry-core/lit/lit-char-helpers.c:377). The attack vector is: executing crafted javascript code. The fixed version is: after commit 505dace719aebb3308a3af223cfaa985159efae0.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.025 (84.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-1010176: held from 0.025 to 0.025.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

  • Jerryscript — versions commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 [fixed: after commit 505dace719aebb3308a3af223cfaa985159efae0] (as of 2018-09-14)

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-1010176?
CVE-2019-1010176 is a critical-severity vulnerability in Jerryscript, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-25.
How severe is CVE-2019-1010176?
Critical severity. CVSS v3 base score is 9.8 out of 10.