CVE-2018-1000168

nghttp2: Null pointer dereference when too large ALTSVC frame is received

Published May 8, 2018 CVSS 3.1 · 7.5 High EPSS 10.6% KEV · Not listed
Description
nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation CWE-20 vulnerability in ALTSVC frame handling that can result in segmentation fault leading to denial of service. This attack appears to be exploitable via network client. This vulnerability appears to have been fixed in >= 1.31.1.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2786-1 nghttp2 security update
EUVD EUVD EUVD-2018-1868 nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation CWE-20 vulnerability in ALTSVC frame handling that can result in segmentation fault leading to denial of service. This attack appears to be exploitable via network client. This vulnerability appears to have been fixed in >= 1.31.1.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jun 9, 2025, 3:47 PM
Reserved
Apr 9, 2018, 12:00 AM
Status
Modified
Published
May 8, 2018, 3:29 PM
Modified
Jun 17, 2026, 1:32 AM
Severity
Moderate
Public date
Apr 12, 2018, 12:00 AM