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CVE Vulnerabilities

CVE-2023-38406

Improper Handling of Exceptional Conditions

Published: Nov 06, 2023 | Modified: Nov 04, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2023-38406
CWEhttps://cwe.mitre.org/data/definitions/755.html

bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a flowspec overflow.

Weakness

The product does not handle or incorrectly handles an exceptional condition.

Affected Software

NameVendorStart VersionEnd Version
FrroutingFrrouting*8.4.3 (excluding)
Red Hat Enterprise Linux 8RedHatfrr-0:7.5.1-13.el8_9.3*
Red Hat Enterprise Linux 8.6 Extended Update SupportRedHatfrr-0:7.5-11.el8_6.7*
Red Hat Enterprise Linux 8.8 Extended Update SupportRedHatfrr-0:7.5.1-7.el8_8.5*
Red Hat Enterprise Linux 9RedHatfrr-0:8.3.1-11.el9_3.2*
Red Hat Enterprise Linux 9.0 Extended Update SupportRedHatfrr-0:8.0-5.el9_0.3*
Red Hat Enterprise Linux 9.2 Extended Update SupportRedHatfrr-0:8.3.1-5.el9_2.4*
FrrUbuntubionic*
FrrUbuntuesm-apps/focal*
FrrUbuntufocal*
FrrUbuntujammy*
FrrUbuntulunar*
FrrUbuntutrusty*
FrrUbuntuupstream*
FrrUbuntuxenial*
QuaggaUbuntubionic*
QuaggaUbuntutrusty*
QuaggaUbuntuxenial*

References

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