CVE-2023-31490
CVSS v3
7.5
HIGH
EPSS Score
2.2 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- frrAlmaLinux:9all versions · fixed in 8.5.3-4.el9and 1 other package
- frrAlmaLinux:8all versions · fixed in 7.5.1-22.el8and 1 other package
Vendor advisories
frr: missing length check in bgp_attr_psid_sub() can lead do DoS
Red Hat Security Advisory: frr security update
Red Hat Security Advisory: frr security update
Description
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
Technical details
- Published
- 2023-05-09
Frequently asked questions
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