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CVE-2026-2517— Open5GS SMF types.c ogs_gtp2_parse_tft denial of service

CVSS 5.3 · Medium EPSS 0.11% · P29
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I. Basic Information for CVE-2026-2517

Vulnerability Information
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Vulnerability Title
Open5GS SMF types.c ogs_gtp2_parse_tft denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogs_gtp2_parse_tft in the library lib/gtp/v2/types.c of the component SMF. Performing a manipulation of the argument pf[0].content.length results in denial of service. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的资源关闭或释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
Open5GS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open5GS是Open5GS开源的一个 5G Core 和 Epc 的 C 语言开源实现，即 Lte/Nr 网络的核心网络。 Open5GS 2.7.6及之前版本存在安全漏洞，该漏洞源于对组件SMF中函数ogs_gtp2_parse_tft的参数pf[0].content.length的错误操作，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
-Open5GS 2.7.0 cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-2517

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III. Intelligence Information for CVE-2026-2517

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Same Patch Batch · n/a · 2026-02-15 · 3 CVEs total

CVE-2026-25225.3 MEDIUMOpen5GS MME esm-build.c memory corruption
CVE-2026-25215.3 MEDIUMOpen5GS SGW-C sgwc_s5c_handle_create_session_response memory corruption

IV. Related Vulnerabilities

Same product: Open5GS
Same vendor: n/a
Same weakness: CWE-404

V. Comments for CVE-2026-2517

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