High severity7.5NVD Advisory· Published Nov 15, 2023· Updated Jun 17, 2026

CVE-2023-47345

Description

Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP message with malformed PFCP Heartbeat message whose Recovery Time Stamp IE length is mutated to zero.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
github.com/free5gc/free5gcGo	<= 3.3.0	—

Affected products

Free5gc/Free5gc2 versions
cpe:2.3:a:free5gc:free5gc:3.3.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:free5gc:free5gc:3.3.0:*:*:*:*:*:*:*
- (no CPE)
ghsa-coords
pkg:golang/github.com/free5gc/free5gc
Range: <= 3.3.0

Patches

Vulnerability mechanics

References

github.com/free5gc/free5gc/issues/483nvdExploitIssue TrackingWEB
github.com/advisories/GHSA-6944-6pmv-6mp2ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2023-47345ghsaADVISORY

News mentions

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cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000