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High severity7.5NVD Advisory· Published Feb 1, 2023· Updated Jun 17, 2026

CVE-2023-23846

CVE-2023-23846

Description

Due to insufficient length validation in the Open5GS GTP library versions prior to versions 2.4.13 and 2.5.7, when parsing extension headers in GPRS tunneling protocol (GPTv1-U) messages, a protocol payload with any extension header length set to zero causes an infinite loop. The affected process becomes immediately unresponsive, resulting in denial of service and excessive resource consumption. CVSS3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

AI Insight

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

Affected products

4
  • Open5gs/Open5gsv54 versions
    <= 2.4.12+ 3 more
    • (no CPE)range: <= 2.4.12
    • (no CPE)range: <2.4.13, <2.5.7
    • cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*range: <2.4.13
    • cpe:2.3:a:open5gs:open5gs:2.5.6:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

News mentions

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