{"id":"CVE-2026-104591","aliases":["DEBIAN-CVE-2026-104591","EUVD-2026-110101","GHSA-jhf9-27v6-8g92","UBUNTU-CVE-2026-104591","openSUSE-SU-2026:12388-1","openSUSE-SU-2026:22220-1"],"status":"published","title":"libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src...","description":"libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-08","score":0.00452,"percentile":0.39521,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2026-10-26T00:00:00Z","modified":"2026-11-04T17:27:17Z","fixes":[{"ecosystem":"Debian:14","package":"libosmocore","fixed_in":["1.14.2-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.0-1","1.10.0-2","1.11.0-1","1.11.0-2","1.14.0-1","1.14.2-1","1.7.0-3","1.7.0-3.1","1.7.0-3.1~exp1","1.9.2-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.0-2","1.14.0-1","1.14.2-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-1"}]}],"versions":["1.11.0-2","1.14.0-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.0-4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.0-7"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.12.1-3","0.12.1-3ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.2-3","1.6.0-3","1.6.0-3build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.0-3","1.7.0-3.1build1","1.7.0-3.1build2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.0-2build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.0-2","1.11.0-2build1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2.1"}]}],"bundled":4},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"libosmocore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-bp160.1.1"}]}],"bundled":4}],"references":[{"url":"https://osmocom.org/issues/7052","tags":["web","report"]},{"url":"https://github.com/osmocom/libosmocore/commit/0b0f165106b7918435a47f8cb28c651228b8e4aa","tags":["fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104591","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jhf9-27v6-8g92"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104591.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-104591","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-104591","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-104591","tags":["report"]},{"url":"https://github.com/cveproject/cvelistv5/tree/main/cves/2026/104xxx/cve-2026-104591.json","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/cve-2026-104591","tags":["report"]},{"url":"https://security-tracker.debian.org/tracker/cve-2026-104591","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-104591","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-104592","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-104594","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-104597","tags":["web"]},{"url":"https://bugzilla.suse.com/1288875","tags":["report"]},{"url":"https://bugzilla.suse.com/1289027","tags":["report"]},{"url":"https://bugzilla.suse.com/1289028","tags":["report"]},{"url":"https://bugzilla.suse.com/1289029","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-104591","description":"libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service.","status":"published","published":"2026-10-26T00:00:00Z","modified":"2026-10-29T20:17:45.283Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:20:09.448255Z"}],"euvd":[{"id":"EUVD-2026-110101","description":"libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service.","status":"published","published":"2026-10-26T00:00:00Z","modified":"2026-10-29T20:17:45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:59:14.591479Z"}],"ghsa":[{"id":"GHSA-jhf9-27v6-8g92","title":"libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src...","description":"libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service.","status":"published","published":"2026-10-26T21:36:08Z","modified":"2026-10-29T21:32:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:14:41.240878Z"}],"nvd":[{"id":"CVE-2026-104591","description":"libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service.","status":"published","published":"2026-10-26T19:16:28.257Z","modified":"2026-10-29T21:17:08.82Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:13:03.452847Z"}],"osv":[{"id":"CVE-2026-104591","description":"libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service.","status":"published","published":"2026-10-26T00:00:00Z","modified":"2026-11-04T17:27:17.859447016Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-04T17:42:33.456229Z"},{"id":"DEBIAN-CVE-2026-104591","description":"libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service.","status":"published","published":"2026-10-26T19:16:28.257Z","modified":"2026-10-30T10:00:06.988448267Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:48.903138Z"},{"id":"UBUNTU-CVE-2026-104591","description":"libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service.","status":"published","published":"2026-10-26T19:16:00Z","modified":"2026-10-31T03:30:06.430833901Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:55:59.130573Z"},{"id":"openSUSE-SU-2026:12388-1","title":"libosmocodec-devel-1.14.2-2.1 on GA media","description":"These are all security issues fixed in the libosmocodec-devel-1.14.2-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-11-02T00:00:00Z","modified":"2026-11-03T17:23:12.807067083Z","updated_at":"2026-11-03T18:00:34.078068Z"},{"id":"openSUSE-SU-2026:22220-1","title":"Security update for libosmocore","description":"This update for libosmocore fixes the following issues:\n\nChanges in libosmocore:\n\n- Update to release 1.14.2\n  * Fix buffer overflows/overreads in `bssgp_rx_paging`,\n    `parse_process_uss_req`, `osmo_dec_gcr`, `osmo_pbit2ubit`, in\n    the CBSP WRITE-REPLACE decoder, and in TLV tag logging.\n    [boo#1289028, CVE-2026-104592]\n  * iuup: Cure stack buffer-overflow rx IuUP with payload\n    larger than 1024 bytes. [boo#1289027, CVE-2026-104591]\n    [boo#1288875, CVE-2026-104597]\n  * gsm: Reject BSSMAP Encryption Information IE with no selected\n    algo or key length != 8.\n  * Resolve [boo#1289029, CVE-2026-104594]\n\n- Update to release 1.14.1\n  * socket: osmo_sockaddr_from_str_and_uint(): fix memleak\n  * osmo_io: Rewrite iofd_handle_send_completion() to fix multiple\n    issues\n  * osmo_io: Fix msgb memleak if iofd is unregistered during\n    write_cb with \u003e1 io buffers\n  * netdev: Add API osmo_netdev_del_addr()\n\n- Update to release 1.13.1\n  * socket: Introduce API osmo_sock_set_nonblock()\n  * gsm/rsl: add definition for TFO transparent container IE\n  * vty/test: Validate optional-multi-choice param followed by optional-multi-choice param\n  * gsmtap_util: Avoid sink_fd leak gsmtap_source_add_sinki() called multiple times\n  * logging_vty: Allow setting gsmtap log tgt as (blocking-io|nonblocking-io|wq)\n  * gsmtap_util: Increase source_fd's SO_SNDBUF to 4MB\n  * osmo_io: Support rx of segments up to ~UINT16_MAX\n  * osmo_io: Propagate segment_cb errors to the read_cb\n  * Use same queue length for gsmtap_log and gsmtap_file\n\n- Update to release 1.12.0\n  * iuup: Explicitly discard Iu-UP-DATA.req in Initialization state\n  * protocol/gsm_04_08.h: Add GSM 04.08 message types for SI21/22/23\n  * vty: Add 'show runtime' command\n  * Send multiple read/recvfrom/recvmsg SQEs in advance\n  * Register OSMO_EXT protocol number for TCAP routing\n  * AMR codec: add conversion between s-bits and codec parameters\n  * AMR codec: add decoder homing frame const patterns\n\n- Update to release 1.11.2\n  * VTY: Initialize fields of struct cmd_element in order of declaration\n\n- Update to release 1.11.1\n  * lapd, lapdm: Take talloc msgb ownership when enqueueing it\n","status":"published","published":"2026-11-02T16:41:39Z","modified":"2026-11-04T17:23:23.838396848Z","updated_at":"2026-11-04T17:43:22.558805Z"}]}}