{"id":"CVE-2026-24857","state":"PUBLISHED","title":"bulk_extractor has Heap-based Buffer Overflow vulnerability","description":"`bulk_extractor` is a digital forensics exploitation tool. Starting in version 1.4, `bulk_extractor`’s embedded unrar code has a heap‑buffer‑overflow in the RAR PPM LZ decoding path. A crafted RAR inside a disk image causes an out‑of‑bounds write in `Unpack::CopyString`, leading to a crash under ASAN (and likely a crash or memory corruption in production builds). There's potential for using this for RCE. As of time of publication, no known patches are available.","publishedAt":"2026-01-28T21:30:35.410Z","updatedAt":"2026-01-29T18:01:12.601Z","severity":{"score":5.5,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","source":"GitHub_M"},"assigner":"GitHub_M","products":["simsong bulk_extractor"],"affected":[{"vendor":"simsong","product":"bulk_extractor","versions":[{"version":">= 1.4, <= 2.1.1","status":"affected"}]}],"references":["https://github.com/simsong/bulk_extractor/security/advisories/GHSA-rh8m-9xrx-q64q"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/24xxx/CVE-2026-24857.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-24857","state":"PUBLISHED","datePublished":"2026-01-28T21:30:35.410Z","dateUpdated":"2026-01-29T18:01:12.601Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-01-27T14:51:03.061Z"},"containers":{"cna":{"title":"bulk_extractor has Heap-based Buffer Overflow vulnerability","descriptions":[{"lang":"en","value":"`bulk_extractor` is a digital forensics exploitation tool. Starting in version 1.4, `bulk_extractor`’s embedded unrar code has a heap‑buffer‑overflow in the RAR PPM LZ decoding path. A crafted RAR inside a disk image causes an out‑of‑bounds write in `Unpack::CopyString`, leading to a crash under ASAN (and likely a crash or memory corruption in production builds). There's potential for using this for RCE. As of time of publication, no known patches are available."}],"affected":[{"vendor":"simsong","product":"bulk_extractor","versions":[{"version":">= 1.4, <= 2.1.1","status":"affected"}]}],"references":[{"url":"https://github.com/simsong/bulk_extractor/security/advisories/GHSA-rh8m-9xrx-q64q","name":"https://github.com/simsong/bulk_extractor/security/advisories/GHSA-rh8m-9xrx-q64q","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122: Heap-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-01-28T21:30:35.410Z"},"source":{"advisory":"GHSA-rh8m-9xrx-q64q","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/simsong/bulk_extractor/security/advisories/GHSA-rh8m-9xrx-q64q","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-29T16:03:03.118001Z","id":"CVE-2026-24857","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-29T18:01:12.601Z"}}]}}}