{"id":"CVE-2026-58458","state":"PUBLISHED","title":"Don't Starve Together Memory Corruption via world_gen_data","description":"Don't Starve Together (Steam AppID 322330) through build 747465 contains a memory-corruption vulnerability in the native persistent-string decoder that allows a remote attacker operating a public dedicated server to crash a victim's game client by publishing crafted world_gen_data with an invalid Klei persistent blob header length. Attackers can craft a malicious public lobby server listing that, once viewed or selected by the victim, triggers client-side decoding of the attacker-controlled data to corrupt native memory and cause a remote denial of service.","publishedAt":"2026-10-28T17:17:37.710Z","updatedAt":"2026-10-28T17:17:37.710Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Klei Entertainment Don't Starve Together"],"affected":[{"vendor":"Klei Entertainment","product":"Don't Starve Together","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"747465","versionType":"custom"}]}],"references":["https://kleiforums.com/game-updates/dst/","https://www.vulncheck.com/advisories/don-t-starve-together-memory-corruption-via-world-gen-data"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/58xxx/CVE-2026-58458.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-58458","state":"PUBLISHED","datePublished":"2026-10-28T17:17:37.710Z","dateUpdated":"2026-10-28T17:17:37.710Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-06-30T20:20:33.789Z"},"containers":{"cna":{"title":"Don't Starve Together Memory Corruption via world_gen_data","descriptions":[{"lang":"en","value":"Don't Starve Together (Steam AppID 322330) through build 747465 contains a memory-corruption vulnerability in the native persistent-string decoder that allows a remote attacker operating a public dedicated server to crash a victim's game client by publishing crafted world_gen_data with an invalid Klei persistent blob header length. Attackers can craft a malicious public lobby server listing that, once viewed or selected by the victim, triggers client-side decoding of the attacker-controlled data to corrupt native memory and cause a remote denial of service."}],"affected":[{"vendor":"Klei Entertainment","product":"Don't Starve Together","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"747465","versionType":"custom"}]}],"references":[{"url":"https://kleiforums.com/game-updates/dst/","name":"Release Notes","tags":["release-notes","patch"]},{"url":"https://www.vulncheck.com/advisories/don-t-starve-together-memory-corruption-via-world-gen-data","name":"VulnCheck Advisory: Don't Starve Together Memory Corruption via world_gen_data","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","version":"3.1","baseSeverity":"MEDIUM","baseScore":6.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"Out-of-bounds Write","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-28T17:17:37.710Z"},"datePublic":"2026-09-03T00:00:00.000Z","credits":[{"lang":"en","value":"CuB3y0nd","type":"finder"}],"x_generator":{"engine":"vulncheck"}}}}}