CVE-2023-41909
High
Description
An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Frrouting
PublishedSep 5, 2023
First seenSep 5, 2023
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| frrouting frrouting | v ≤ 9.0 | — |
| debian debian_linux | 10.0 | — |
| fedoraproject fedora | 37, 38, 39 | — |
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