{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91780","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-09-15T02:01:12.379Z","datePublished":"2026-09-15T08:30:15.341Z","dateUpdated":"2026-09-15T13:58:05.822Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-09-15T08:30:15.341Z"},"title":"GNU Binutils elflink.c elf_link_add_object_symbols null pointer dereference","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-476","lang":"en","description":"NULL Pointer Dereference"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-404","lang":"en","description":"Denial of Service"}]}],"affected":[{"vendor":"GNU","product":"Binutils","versions":[{"version":"2.47","status":"affected"}],"cpes":["cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet."}],"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"}}],"timeline":[{"time":"2026-09-15T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-15T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-15T04:06:29.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Ech06 (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/404051","name":"VDB-404051 | GNU Binutils elflink.c elf_link_add_object_symbols null pointer dereference","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/404051/cti","name":"VDB-404051 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-91780","name":"CVE-2026-91780 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/933334","name":"Submit #933334 | GNU GNU Binutils binutils 2.47 NULL Pointer Dereference","tags":["third-party-advisory"]},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=34447","tags":["issue-tracking"]},{"url":"https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34447","tags":["exploit"]},{"url":"https://www.gnu.org/","tags":["broken-link","product"]}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202609"]},"adp":[{"references":[{"url":"https://vuldb.com/submit/933334","tags":["exploit"]},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=34447","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-15T13:57:47.282506Z","id":"CVE-2026-91780","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-15T13:58:05.822Z"}}]}}