{"id":"CVE-2025-11961","aliases":["ALPINE-CVE-2025-11961","AZL-73335","AZL-73344","AZL-73373","AZL-73379","BELL-CVE-2025-11961","DEBIAN-CVE-2025-11961","EUVD-2025-205869","GHSA-x25x-vjrm-h7qq","MGASA-2026-0005","OESA-2026-1109","OESA-2026-1110","OESA-2026-1111","OESA-2026-1112","OESA-2026-1113","OESA-2026-1114","OESA-2026-1207","SUSE-SU-2026:0036-1","SUSE-SU-2026:0053-1","SUSE-SU-2026:0062-1","SUSE-SU-2026:0063-1","SUSE-SU-2026:0575-1","SUSE-SU-2026:20048-1","SUSE-SU-2026:20064-1","SUSE-SU-2026:20120-1","SUSE-SU-2026:20153-1","UBUNTU-CVE-2025-11961","openSUSE-SU-2026:10032-1","openSUSE-SU-2026:20075-1"],"status":"published","title":"OOBR and OOBW in pcap_ether_aton() in libpcap","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  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buffer.","severity":{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00117,"percentile":0.0171,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122","CWE-126"],"published":"2025-12-31T00:56:16Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Alpine:v3.21","package":"libpcap","fixed_in":["1.10.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"libpcap","fixed_in":["1.10.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"libpcap","fixed_in":["1.10.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"libpcap","fixed_in":["1.10.6-r0"],"sources":["osv"]},{"ecosystem":"Azure Linux:3","package":"libpcap","fixed_in":["1.10.6-1"],"sources":["osv"]},{"ecosystem":"Azure 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and OOBW in pcap_ether_aton() in libpcap","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T00:56:16.31Z","modified":"2026-01-02T14:38:16.719Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-126","CWE-122"],"updated_at":"2026-11-02T14:32:51.199669Z"}],"euvd":[{"id":"EUVD-2025-205869","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T00:56:16Z","modified":"2026-01-02T14:38:16Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T19:48:59.455836Z"}],"ghsa":[{"id":"GHSA-x25x-vjrm-h7qq","title":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a...","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T03:30:33Z","modified":"2025-12-31T03:30:34Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:05:24.798125Z"}],"nvd":[{"id":"CVE-2025-11961","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T01:15:54.5Z","modified":"2026-06-17T08:31:29.497Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-122","CWE-126"],"updated_at":"2026-11-02T14:11:54.323368Z"}],"osv":[{"id":"ALPINE-CVE-2025-11961","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T01:15:54.5Z","modified":"2026-09-06T16:30:02.196825617Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:27:49.709457Z"},{"id":"BELL-CVE-2025-11961","status":"published","published":"2026-01-02T06:05:57.722834Z","modified":"2026-10-01T07:15:04.211690328Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:28:21.227396Z"},{"id":"CVE-2025-11961","title":"OOBR and OOBW in pcap_ether_aton() in libpcap","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T00:56:16.31Z","modified":"2026-10-28T10:59:02.242996949Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-122","CWE-126"],"updated_at":"2026-11-02T15:44:46.024537Z"},{"id":"DEBIAN-CVE-2025-11961","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T01:15:54.5Z","modified":"2026-09-01T20:05:40.531373208Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:45:45.102284Z"},{"id":"OESA-2026-1109","title":"libpcap security update","description":"This is the official web site of tcpdump, a powerful command-line \npacket analyzer; and libpcap, a portable C/C++ library for \nnetwork traffic capture.\r\n\r\nSecurity Fix(es):\n\npcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.(CVE-2025-11961)","status":"published","published":"2026-01-16T11:10:09Z","modified":"2026-08-18T01:19:27.408351194Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"OESA-2026-1110","title":"libpcap security update","description":"This is the official web site of tcpdump, a powerful command-line \npacket analyzer; and libpcap, a portable C/C++ library for \nnetwork traffic capture.\r\n\r\nSecurity Fix(es):\n\npcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.(CVE-2025-11961)","status":"published","published":"2026-01-16T11:10:09Z","modified":"2026-08-18T01:19:27.446195545Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"OESA-2026-1111","title":"libpcap security update","description":"This is the official web site of tcpdump, a powerful command-line \npacket analyzer; and libpcap, a portable C/C++ library for \nnetwork traffic capture.\r\n\r\nSecurity Fix(es):\n\npcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.(CVE-2025-11961)","status":"published","published":"2026-01-16T11:10:09Z","modified":"2026-08-18T01:19:27.670630286Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"OESA-2026-1112","title":"libpcap security update","description":"This is the official web site of tcpdump, a powerful command-line \npacket analyzer; and libpcap, a portable C/C++ library for \nnetwork traffic capture.\r\n\r\nSecurity Fix(es):\n\npcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.(CVE-2025-11961)","status":"published","published":"2026-01-16T11:10:09Z","modified":"2026-08-18T01:19:27.469525254Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"OESA-2026-1113","title":"libpcap security update","description":"This is the official web site of tcpdump, a powerful command-line \npacket analyzer; and libpcap, a portable C/C++ library for \nnetwork traffic capture.\r\n\r\nSecurity Fix(es):\n\npcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.(CVE-2025-11961)","status":"published","published":"2026-01-16T11:10:09Z","modified":"2026-08-18T01:19:27.568007446Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"OESA-2026-1114","title":"libpcap security update","description":"This is the official web site of tcpdump, a powerful command-line \npacket analyzer; and libpcap, a portable C/C++ library for \nnetwork traffic capture.\r\n\r\nSecurity Fix(es):\n\npcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.(CVE-2025-11961)","status":"published","published":"2026-01-16T11:10:09Z","modified":"2026-08-18T01:19:27.360666506Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"OESA-2026-1207","title":"libpcap security update","description":"This is the official web site of tcpdump, a powerful command-line \npacket analyzer; and libpcap, a portable C/C++ library for \nnetwork traffic capture.\r\n\r\nSecurity Fix(es):\n\npcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.(CVE-2025-11961)","status":"published","published":"2026-01-23T11:10:14Z","modified":"2026-08-18T01:19:29.74934103Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"UBUNTU-CVE-2025-11961","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T01:15:00Z","modified":"2026-09-25T17:45:09.213126566Z","cvss":[{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T16:55:20.144818Z"},{"id":"AZL-73335","title":"CVE-2025-11961 affecting package libpcap for versions less than 1.10.6-1","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T01:15:54Z","modified":"2026-04-21T04:54:21.155275Z","updated_at":"2026-11-02T15:28:09.201912Z"},{"id":"AZL-73344","title":"CVE-2025-11961 affecting package nmap for versions less than 7.95-3","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T01:15:54Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:24.309973Z"},{"id":"AZL-73373","title":"CVE-2025-11961 affecting package libpcap for versions less than 1.10.1-5","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T01:15:54Z","modified":"2026-04-21T04:33:51.927585Z","updated_at":"2026-11-02T15:28:09.201912Z"},{"id":"AZL-73379","title":"CVE-2025-11961 affecting package nmap for versions less than 7.93-4","description":"pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer.  The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented.  If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.","status":"published","published":"2025-12-31T01:15:54Z","modified":"2026-04-21T04:33:52.533699Z","updated_at":"2026-11-02T15:28:09.201912Z"},{"id":"MGASA-2026-0005","title":"Updated libpcap packages fix security vulnerability","description":"OOBR and OOBW in pcap_ether_aton() in libpcap. (CVE-2025-11961)\n","status":"published","published":"2026-01-10T05:07:52Z","modified":"2026-04-16T04:42:00.283922066Z","updated_at":"2026-11-02T15:49:43.178336Z"},{"id":"openSUSE-SU-2026:10032-1","title":"libpcap-devel-1.10.6-1.1 on GA media","description":"These are all security issues fixed in the libpcap-devel-1.10.6-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-01-12T00:00:00Z","modified":"2026-03-23T04:54:21.801624Z","updated_at":"2026-11-02T16:58:38.101535Z"},{"id":"openSUSE-SU-2026:20075-1","title":"Security update for libpcap","description":"This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n","status":"published","published":"2026-01-22T10:13:12Z","modified":"2026-03-23T04:54:43.250506Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"SUSE-SU-2026:0036-1","title":"Security update for libpcap","description":"This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n","status":"published","published":"2026-01-06T10:22:41Z","modified":"2026-03-23T04:51:53.480344Z","updated_at":"2026-11-02T15:54:00.846737Z"},{"id":"SUSE-SU-2026:0053-1","title":"Security update for libpcap","description":"This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n","status":"published","published":"2026-01-07T11:03:52Z","modified":"2026-03-23T04:51:54.352524Z","updated_at":"2026-11-02T15:54:00.846737Z"},{"id":"SUSE-SU-2026:0062-1","title":"Security update for libpcap","description":"This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n","status":"published","published":"2026-01-08T09:36:12Z","modified":"2026-03-23T04:51:54.755058Z","updated_at":"2026-11-02T15:54:00.846737Z"},{"id":"SUSE-SU-2026:0063-1","title":"Security update for libpcap","description":"This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n","status":"published","published":"2026-01-08T09:36:26Z","modified":"2026-03-23T04:50:26.064704Z","updated_at":"2026-11-02T15:54:00.846737Z"},{"id":"SUSE-SU-2026:0575-1","title":"Security update for libpcap","description":"This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n","status":"published","published":"2026-02-18T09:10:46Z","modified":"2026-03-23T04:52:21.621431Z","updated_at":"2026-11-02T15:54:00.846737Z"},{"id":"SUSE-SU-2026:20048-1","title":"Security update for libpcap","description":"This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n","status":"published","published":"2026-01-08T16:29:06Z","modified":"2026-03-23T04:52:31.815405Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:20064-1","title":"Security update for libpcap","description":"This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n- CVE-2024-8006: missing return value check in `pcap_findalldevs_ex()` can lead to NULL pointer dereference\n  (bsc#1230034).\n- CVE-2023-7256: unclear value returned by  `sock_initaddress()` can lead to a double-free (bsc#1230020).\n","status":"published","published":"2026-01-08T16:16:36Z","modified":"2026-03-23T04:52:32.79698Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:20120-1","title":"Security update for libpcap","description":"This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n","status":"published","published":"2026-01-22T10:14:02Z","modified":"2026-03-23T04:52:36.313113Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:20153-1","title":"Security update for libpcap","description":"This update for libpcap fixes the following issues:\n\n- CVE-2025-11961: missing validation of provided MAC-48 address string in `pcap_ether_aton()` can lead to out-of-bounds\n  read and write (bsc#1255765).\n","status":"published","published":"2026-01-22T10:14:02Z","modified":"2026-03-23T04:52:37.991653Z","updated_at":"2026-11-02T15:54:01.610851Z"}]}}