CVE-2026-34219 | libp2p-gossipsub prior 0.49.4 denial of service

VDB-354291 · CVE-2026-34219 · GCVE-0-2026-34219 LIBP2P-GOSSIPSUB PRIOR 0.49.4 DENIAL OF SERVICE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 2.21+ Summaryinfo A vulnerability was found in libp2p-gossipsub. It has been rated as problematic. This vulnerability affects unknown code. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2026-34219. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised. Detailsinfo A vulnerability was found in libp2p-gossipsub. It has been classified as problematic. This affects an unknown function. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-34219. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK. Upgrading to version 0.49.4 eliminates this vulnerability. Productinfo Name libp2p-gossipsub CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.3 VulDB Meta Temp Score: 5.1 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Denial of service CWE: CWE-404 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: libp2p-gossipsub 0.49.4 Timelineinfo 03/30/2026 VulDB entry created 03/31/2026 +0 days Advisory disclosed 03/31/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Confirmed CVE: CVE-2026-34219 (🔒) GCVE (CVE): GCVE-0-2026-34219 GCVE (VulDB): GCVE-100-354291 Entryinfo Created: 03/31/2026 00:25 Changes: 03/31/2026 00:25 (49) Complete: 🔍 Cache ID: 99:E3B:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸