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CVE-2026-1522
5.3 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): Low (L)
- Exploit Code Maturity (E): Proof-of-Concept (P)
- Remediation Level (RL): Official Fix (O)
- Report Confidence (RC): Confirmed (C)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): Low (L)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse ignored package open5gs-webui
Open5GS SGWC s5c-handler.c sgwc_s5c_handle_modify_bearer_response denial of service
A weakness has been identified in Open5GS up to 2.7.6. This vulnerability affects the function sgwc_s5c_handle_modify_bearer_response of the file src/sgwc/s5c-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. This patch is called b19cf6a. Applying a patch is advised to resolve this issue. The issue report is flagged as already-fixed.
References
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VDB-343193 | Open5GS SGWC s5c-handler.c sgwc_s5c_handle_modify_bearer_response denial of service technical-descriptionvdb-entry
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Submit #738371 | Open5GS SGWC v2.7.6 Denial of Service third-party-advisory
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https://github.com/open5gs/open5gs/issues/4266 issue-tracking
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Affected products
Open5GS
- ==2.7.1
- ==2.7.4
- ==2.7.0
- ==2.7.3
- ==2.7.5
- ==2.7.6
- ==2.7.2
Package maintainers
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@Bot-wxt1221 Bot-wxt1221 <3264117476@qq.com>
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@xddxdd Yuhui Xu <b980120@hotmail.com>