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    CVE-2026-116543

    Open5GS 1.3.0 through 2.8.0 contains a heap out-of-bounds write vulnerability in parse_multipart() that allows unauthenticated attackers to corrupt memory by supplying an empty multipart boundary. Attackers can send a single crafted multipart/related request to the SBI interface of any network function, overflowing the lookbehind buffer and crashing it.

    Published:Oct 26, 2026
    Last Modified:Oct 26, 2026
    EPS:Oct 26, 2026
    EPSS Score:
    CVSS Score:7.5

    Affected Products

    Vendor
    Open5gs
    Product
    Open5gs

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-106806 (CVSS 7.5) — A memory exhaustion issue exists in Open5GS v2.8.0 in the HTTP/2 SBI server. Repeated header names cause previ…
    CVE-2026-106807 — A denial-of-service vulnerability exists in open5GS v2.8.0 in the PFCP transaction handling path. When the PFC…
    CVE-2026-116544 (CVSS 6.3) — Open5GS 2.6.1 through 2.8.0 contains an out-of-bounds read vulnerability in parse_scheme_output() in lib/sbi/c…
    CVE-2026-108105 (CVSS 8.2) — Open5GS through 2.8.0 contains a reachable assertion vulnerability in mme_gn_handle_sgsn_context_request() tha…
    CVE-2026-108103 (CVSS 6.9) — Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogs_pfcp_parse_dropped_dl_traffic_th…
    CVE-2026-108102 (CVSS 6.9) — Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogs_pfcp_parse_volume_measurement() …
    CVE-2026-107166 (CVSS 5.5) — A weakness has been identified in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pfcp_xact_l…
    CVE-2026-92417 (CVSS 7.1) — A vulnerability was found in Open5GS up to 2.8.0. This affects the function ogs_pfcp_parse_volume_measurement …
    CVE-2026-92416 (CVSS 5.3) — A vulnerability has been found in Open5GS up to 2.8.0. Affected by this issue is the function smf_n4_handle_se…
    CVE-2026-91855 (CVSS 5.5) — A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this vulnerability is an unknown funct…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High