{"id":"CVE-2025-6858","state":"PUBLISHED","title":"HDF5 H5Centry.c H5C__flush_single_entry null pointer dereference","description":"A vulnerability was found in HDF5 1.14.6 and classified as problematic. Affected by this issue is the function H5C__flush_single_entry of the file src/H5Centry.c. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.","publishedAt":"2025-06-29T11:00:14.487Z","updatedAt":"2025-06-30T20:11:40.651Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["n/a HDF5"],"affected":[{"vendor":"n/a","product":"HDF5","versions":[{"version":"1.14.6","status":"affected"}]}],"references":["https://vuldb.com/?id.314330","https://vuldb.com/?ctiid.314330","https://vuldb.com/?submit.602530","https://github.com/HDFGroup/hdf5/issues/5576","https://github.com/user-attachments/files/20623475/hdf5_crash_8.txt"],"weaknesses":["CWE-476","CWE-404"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/6xxx/CVE-2025-6858.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-6858","state":"PUBLISHED","datePublished":"2025-06-29T11:00:14.487Z","dateUpdated":"2025-06-30T20:11:40.651Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2025-06-28T10:42:56.282Z"},"containers":{"cna":{"title":"HDF5 H5Centry.c H5C__flush_single_entry null pointer dereference","descriptions":[{"lang":"en","value":"A vulnerability was found in HDF5 1.14.6 and classified as problematic. Affected by this issue is the function H5C__flush_single_entry of the file src/H5Centry.c. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used."},{"lang":"de","value":"Eine Schwachstelle wurde in HDF5 1.14.6 gefunden. Sie wurde als problematisch eingestuft. Davon betroffen ist die Funktion H5C__flush_single_entry der Datei src/H5Centry.c. Mittels dem Manipulieren mit unbekannten Daten kann eine null pointer dereference-Schwachstelle ausgenutzt werden. Der Angriff muss lokal passieren. Der Exploit steht zur öffentlichen Verfügung."}],"affected":[{"vendor":"n/a","product":"HDF5","versions":[{"version":"1.14.6","status":"affected"}]}],"references":[{"url":"https://vuldb.com/?id.314330","name":"VDB-314330 | HDF5 H5Centry.c H5C__flush_single_entry null pointer dereference","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.314330","name":"VDB-314330 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.602530","name":"Submit #602530 | HDFGroup HDF5 hdf5 1.14.6 (commit 17c16b6) NULL Pointer Dereference","tags":["third-party-advisory"]},{"url":"https://github.com/HDFGroup/hdf5/issues/5576","tags":["issue-tracking"]},{"url":"https://github.com/user-attachments/files/20623475/hdf5_crash_8.txt","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":3.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV3_0":{"version":"3.0","baseScore":3.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV2_0":{"version":"2.0","baseScore":1.7,"vectorString":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","type":"CWE","lang":"en","description":"NULL Pointer Dereference"}]},{"descriptions":[{"cweId":"CWE-404","type":"CWE","lang":"en","description":"Denial of Service"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2025-06-29T11:00:14.487Z"},"timeline":[{"time":"2025-06-28T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-06-28T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-06-28T12:48:06.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"JJLeo (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-06-30T20:11:29.330857Z","id":"CVE-2025-6858","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-30T20:11:40.651Z"}}]}}}