CVE-2022-26125

frrouting: overflow bugs in unpack_tlv_router_cap

Published Mar 3, 2022 CVSS 3.1 · 7.5 High EPSS 1.0% KEV · Not listed
Description
Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to wrong checks on the input packet length in isisd/isis_tlvs.c.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3797-1 frr security update
Debian DLA Debian DLA DLA-3865-1 frr security update
History
Type Values Removed Values Added
CPEs cpe:2.3:a:frrouting:frrouting:8.1:-:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 4, 2025, 4:09 PM
Reserved
Feb 25, 2022, 12:00 AM
Status
Modified
Published
Mar 3, 2022, 6:15 PM
Modified
Jun 17, 2026, 4:34 AM
Severity
Moderate
Public date
Feb 6, 2022, 12:00 AM