{"id":"CVE-2026-95818","state":"PUBLISHED","title":"AT_SECURE program buffer overflow via $ORIGIN processing","description":"A stack-based buffer overflow in the dynamic loader (ld.so) of the GNU C Library (glibc) versions 2.14 through 2.44 allows a local attacker to crash or corrupt the memory of setuid/setgid (AT_SECURE) programs.\n\nWhen such a program's DT_RPATH or DT_RUNPATH begins with $ORIGIN and is followed by NUL or '/' the loader both reads past the end of the path buffer and writes past the end of a stack-allocated internal buffer. The corrupted loader stack can lead to a loader crash (denial of service) and limited disclosure of process memory.","publishedAt":"2026-09-22T16:50:07.239Z","updatedAt":"2026-09-22T18:21:56.373Z","severity":{"score":3.6,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","source":"glibc"},"assigner":"glibc","products":["The GNU C Library glibc"],"affected":[{"vendor":"The GNU C Library","product":"glibc","defaultStatus":"unaffected","versions":[{"version":"2.14","status":"affected","lessThan":"2.45","versionType":"custom"}]}],"references":["https://sourceware.org/bugzilla/show_bug.cgi?id=34360","https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=advisories/GLIBC-SA-2026-0023"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/95xxx/CVE-2026-95818.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-95818","state":"PUBLISHED","datePublished":"2026-09-22T16:50:07.239Z","dateUpdated":"2026-09-22T18:21:56.373Z","assignerShortName":"glibc","assignerOrgId":"3ff69d7a-14f2-4f67-a097-88dee7810d18","dateReserved":"2026-09-22T15:51:34.793Z"},"containers":{"cna":{"title":"AT_SECURE program buffer overflow via $ORIGIN processing","descriptions":[{"lang":"en","value":"A stack-based buffer overflow in the dynamic loader (ld.so) of the GNU C Library (glibc) versions 2.14 through 2.44 allows a local attacker to crash or corrupt the memory of setuid/setgid (AT_SECURE) programs.\n\nWhen such a program's DT_RPATH or DT_RUNPATH begins with $ORIGIN and is followed by NUL or '/' the loader both reads past the end of the path buffer and writes past the end of a stack-allocated internal buffer. The corrupted loader stack can lead to a loader crash (denial of service) and limited disclosure of process memory."}],"affected":[{"vendor":"The GNU C Library","product":"glibc","defaultStatus":"unaffected","versions":[{"version":"2.14","status":"affected","lessThan":"2.45","versionType":"custom"}]}],"references":[{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=34360","tags":["issue-tracking"]},{"url":"https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=advisories/GLIBC-SA-2026-0023","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"LOW","baseScore":3.6,"vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","lang":"en","description":"CWE-121 Stack-based buffer overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"glibc","orgId":"3ff69d7a-14f2-4f67-a097-88dee7810d18","dateUpdated":"2026-09-22T16:50:07.239Z"},"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"credits":[{"lang":"en","value":"AISLE in partnership with Red Hat","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-22T18:21:29.131476Z","id":"CVE-2026-95818","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-22T18:21:56.373Z"}}]}}}