No exploitation reportedFix available

CVE-2019-10126

Q: Is CVE-2019-10126 actively exploited?

Active exploitation of CVE-2019-10126 has not been confirmed. Its EPSS score was 6.8% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-10126?

CVE-2019-10126 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2019-06-14
Fixed in5.1.18 · 4.19.59 · 4.14.134 · 4.9.186 · 4.4.186
WeaknessCWE-122 · CWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A flaw was found in the Linux kernel. A heap based buffer overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c might lead to memory corruption and possibly other consequences.

Timeline

dates in UTC

2019-06-1414:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-10126?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-10126?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Linux linux kernel

Branch	Affected	Fixed in	Source
5.1	≥ 4.20, < 5.1.18	5.1.18	NVD
4.x	≥ 4.15, < 4.19.59	4.19.59	NVD
4.x	≥ 4.10, < 4.14.134	4.14.134	NVD
4.x	≥ 4.5, < 4.9.186	4.9.186	NVD
4.x	≥ 4.2, < 4.4.186	4.4.186	NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
14.4	= 14.04	no fix published	NVD
16.4	= 16.04	no fix published	NVD
18.4	= 18.04	no fix published	NVD
19.4	= 19.04	no fix published	NVD

Redhat enterprise linux eus

Branch	Affected	Fixed in	Source
7.7	= 7.7	no fix published	NVD
8.1	= 8.1	no fix published	NVD
8.2	= 8.2	no fix published	NVD
8.4	= 8.4	no fix published	NVD

20 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Linux linux kernel to 5.1.18 · 4.19.59 · 4.14.134 · 4.9.186 · 4.4.186

Advisories and patches

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
CNACVSS 3.05.9read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-122read 2026-10-23
NVDweakness (CWE)CWE-787read 2026-10-23
FIRST EPSSEPSS score6.8 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2019-06-14
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-10126?

Is CVE-2019-10126 actively exploited?

Active exploitation of CVE-2019-10126 has not been confirmed. Its EPSS score was 6.8% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-10126?

CVE-2019-10126 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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