{"id":"CVE-2026-123776","aliases":["EUVD-2026-119210","GHSA-vx75-vp6j-73h2"],"status":"published","title":"RRD::CGI::Image versions through 0.01 for Perl pass CGI query parameters containting \"tz\" to tzset(), , so a FIFO or device path blocks the CGI process","description":"RRD::CGI::Image versions through 0.01 for Perl pass CGI query parameters containting \"tz\" to tzset(), , so a FIFO or device path blocks the CGI process.\n\nThe normalize_params method sends any query key matching /tz/i to tz(), which sets $ENV{TZ} to that value, with no validation. It then calls tzset(). glibc treats a TZ value starting with / or : as a file path and opens it, so a value naming a FIFO or a blocking device stalls the process inside tzset().","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1287"],"published":"2026-11-07T11:51:18Z","modified":"2026-11-07T21:31:13Z","references":[{"url":"https://rt.cpan.org/Ticket/Display.html?id=182627","tags":["vendor-advisory","issue-tracking","patch"]},{"url":"https://man7.org/linux/man-pages/man3/tzset.3.html","tags":["technical-description"]},{"url":"https://security.metacpan.org/patches/R/RRD-CGI-Image/0.01/CVE-2026-123776-r1.patch","tags":["patch"]},{"url":"http://www.openwall.com/lists/oss-security/2026/11/07/11"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123776"},{"url":"https://github.com/advisories/GHSA-vx75-vp6j-73h2"}],"sources":{"cve":[{"id":"CVE-2026-123776","title":"RRD::CGI::Image versions through 0.01 for Perl pass CGI query parameters containting \"tz\" to tzset(), , so a FIFO or device path blocks the CGI process","description":"RRD::CGI::Image versions through 0.01 for Perl pass CGI query parameters containting \"tz\" to tzset(), , so a FIFO or device path blocks the CGI process.\n\nThe normalize_params method sends any query key matching /tz/i to tz(), which sets $ENV{TZ} to that value, with no validation. It then calls tzset(). glibc treats a TZ value starting with / or : as a file path and opens it, so a value naming a FIFO or a blocking device stalls the process inside tzset().","status":"published","published":"2026-11-07T11:51:18.541Z","modified":"2026-11-07T21:04:27.035Z","cwes":["CWE-1287"],"updated_at":"2026-11-07T22:35:59.875818Z"}],"euvd":[{"id":"EUVD-2026-119210","description":"RRD::CGI::Image versions through 0.01 for Perl pass CGI query parameters containting \"tz\" to tzset(), , so a FIFO or device path blocks the CGI process.\n\nThe normalize_params method sends any query key matching /tz/i to tz(), which sets $ENV{TZ} to that value, with no validation. It then calls tzset(). glibc treats a TZ value starting with / or : as a file path and opens it, so a value naming a FIFO or a blocking device stalls the process inside tzset().","status":"published","published":"2026-11-07T11:51:18Z","modified":"2026-11-07T21:04:27Z","updated_at":"2026-11-07T15:09:43.095463Z"}],"ghsa":[{"id":"GHSA-vx75-vp6j-73h2","title":"RRD::CGI::Image versions through 0.01 for Perl pass CGI query parameters containting \"tz\" to...","description":"RRD::CGI::Image versions through 0.01 for Perl pass CGI query parameters containting \"tz\" to tzset(), , so a FIFO or device path blocks the CGI process.\n\nThe normalize_params method sends any query key matching /tz/i to tz(), which sets $ENV{TZ} to that value, with no validation. It then calls tzset(). glibc treats a TZ value starting with / or : as a file path and opens it, so a value naming a FIFO or a blocking device stalls the process inside tzset().","status":"published","published":"2026-11-07T12:31:53Z","modified":"2026-11-07T21:31:13Z","cwes":["CWE-1287"],"updated_at":"2026-11-07T21:39:59.065692Z"}],"nvd":[{"id":"CVE-2026-123776","description":"RRD::CGI::Image versions through 0.01 for Perl pass CGI query parameters containting \"tz\" to tzset(), , so a FIFO or device path blocks the CGI process.\n\nThe normalize_params method sends any query key matching /tz/i to tz(), which sets $ENV{TZ} to that value, with no validation. It then calls tzset(). glibc treats a TZ value starting with / or : as a file path and opens it, so a value naming a FIFO or a blocking device stalls the process inside tzset().","status":"published","published":"2026-11-07T12:17:46.093Z","modified":"2026-11-07T21:17:00.03Z","cwes":["CWE-1287"],"updated_at":"2026-11-08T00:07:28.45727Z"}]}}