CVE-2018-3577

While processing fragments, when the fragment count becomes very large, an integer overflow...

7.5 High

While processing fragments, when the fragment count becomes very large, an integer overflow leading to a buffer overflow can occur in Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.85%Up 0.5 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2018-3577
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-190
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-3577
Updated: 2026-11-02

EUVDEUVD-2018-15431 No score

Record: EUVD-2018-15431
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cfjv-9gwx-9jph 7.5

While processing fragments, when the fragment count becomes very large, an integer overflow...

Record: GHSA-cfjv-9gwx-9jph
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-190
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-3577 is a high vulnerability (CVSS 7.5) in Google Android, published July 6, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.