{"id":"CVE-2020-18770","aliases":["ALSA-2024:2377","ALSA-2024:3127","AZL-43720","AZL-44868","CLSA-2025-1755885569","DEBIAN-CVE-2020-18770","EUVD-2020-10687","GHSA-mjgv-6qmw-8jwc","MGASA-2024-0167","OESA-2023-1816","RHSA-2024:2377","RHSA-2024:3127","RLSA-2024:2377","RLSA-2024:3127","SUSE-SU-2024:0961-1","SUSE-SU-2024:0970-1","UBUNTU-CVE-2020-18770","openSUSE-SU-2024:13746-1"],"status":"published","title":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13...","description":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a 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issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-04T16:39:38.822Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-10687","description":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-04T16:39:38Z","updated_at":"2026-11-03T00:27:51.858084Z"}],"ghsa":[{"id":"GHSA-mjgv-6qmw-8jwc","title":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13...","description":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.","status":"published","published":"2023-08-22T21:30:24Z","modified":"2024-10-07T21:33:28Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:58:25.780996Z"}],"nvd":[{"id":"CVE-2020-18770","description":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.","status":"published","published":"2023-08-22T19:15:55.55Z","modified":"2026-06-17T02:59:28.287Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:06:47.910346Z"}],"osv":[{"id":"AZL-43720","title":"CVE-2020-18770 affecting package zziplib 0.13.72-3","description":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.","status":"published","published":"2023-08-22T19:15:55Z","modified":"2026-04-21T04:31:07.68529Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:05.284713Z"},{"id":"AZL-44868","title":"CVE-2020-18770 affecting package zziplib for versions less than 0.13.74-1","description":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.","status":"published","published":"2023-08-22T19:15:55Z","modified":"2026-04-21T04:48:50.886804Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:05.694722Z"},{"id":"CVE-2020-18770","description":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.","status":"published","published":"2023-08-22T19:15:55.55Z","modified":"2026-10-20T10:52:04.004327784Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:15.212689Z"},{"id":"DEBIAN-CVE-2020-18770","description":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.","status":"published","published":"2023-08-22T19:15:55.55Z","modified":"2026-10-26T12:01:43.264154037Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:33.384087Z"},{"id":"OESA-2023-1816","title":"zziplib security update","description":"The zziplib is a lightweight library to easily extract data from zip files. Applications can bundle files into a single zip archive and access them. The implementation is based only on the (free) subset of compression with the zlib algorithm which is actually used by the zip/unzip tools.\r\n\r\nSecurity Fix(es):\r\n\r\nAn issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.(CVE-2020-18770)","status":"published","published":"2023-11-17T11:06:15Z","modified":"2026-08-18T01:18:03.122288691Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:40.328856Z"},{"id":"RHSA-2024:2377","title":"Red Hat Security Advisory: zziplib security update","status":"published","published":"2024-09-16T17:55:52Z","modified":"2026-06-26T12:22:38.775686079Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:13.30378Z"},{"id":"RHSA-2024:3127","title":"Red Hat Security Advisory: zziplib security update","status":"published","published":"2024-09-16T17:56:00Z","modified":"2026-06-26T12:22:22.393576088Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:13.30378Z"},{"id":"RLSA-2024:2377","title":"Moderate: zziplib security update","description":"The zziplib is a lightweight library to easily extract data from zip files.\n\nSecurity Fix(es):\n\n* zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c (CVE-2020-18770)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 9.4 Release Notes linked from the References section.","status":"published","published":"2025-05-07T19:13:05.465265Z","modified":"2025-10-07T17:38:03.864095Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:24.63379Z"},{"id":"RLSA-2024:3127","title":"Moderate: zziplib security update","description":"The zziplib is a lightweight library to easily extract data from zip files.\n\nSecurity Fix(es):\n\n* zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c (CVE-2020-18770)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.10 Release Notes linked from the References section.","status":"published","published":"2025-05-07T19:11:47.341314Z","modified":"2025-10-09T05:47:13.164304Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:24.63379Z"},{"id":"UBUNTU-CVE-2020-18770","description":"An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.","status":"published","published":"2023-08-22T19:15:00Z","modified":"2026-10-17T12:56:18.672592433Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:23.344108Z"},{"id":"ALSA-2024:2377","title":"Moderate: zziplib security update","description":"The zziplib is a lightweight library to easily extract data from zip files.\n\nSecurity Fix(es):\n\n* zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c (CVE-2020-18770)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","status":"published","published":"2024-04-30T00:00:00Z","modified":"2026-10-29T11:31:07.043818835Z","updated_at":"2026-11-02T15:27:52.553233Z"},{"id":"ALSA-2024:3127","title":"Moderate: zziplib security update","description":"The zziplib is a lightweight library to easily extract data from zip files.\n\nSecurity Fix(es):\n\n* zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c (CVE-2020-18770)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","status":"published","published":"2024-05-22T00:00:00Z","modified":"2026-10-29T11:02:26.314275833Z","updated_at":"2026-11-02T15:27:52.553233Z"},{"id":"CLSA-2025-1755885569","title":"zziplib: Fix of CVE-2020-18770","description":"- CVE-2020-18770: fix denial-of-service issue in zzip_disk_entry_to_file_header\n  function in mmapped.c","status":"published","published":"2025-08-22T17:59:33Z","modified":"2026-06-01T00:31:12.787932902Z","updated_at":"2026-11-02T15:43:42.025438Z"},{"id":"MGASA-2024-0167","title":"Updated zziplib packages fix security vulnerability","description":"An issue was discovered in function zzip_disk_entry_to_file_header in\nmmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.\n(CVE-2020-18770)\n","status":"published","published":"2024-05-09T02:40:29Z","modified":"2026-04-16T04:42:35.181794231Z","updated_at":"2026-11-02T15:49:42.684501Z"},{"id":"openSUSE-SU-2024:13746-1","title":"libzzip-0-13-0.13.72-3.1 on GA media","description":"These are all security issues fixed in the libzzip-0-13-0.13.72-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:18:19.347426Z","updated_at":"2026-11-02T16:58:36.327643Z"},{"id":"SUSE-SU-2024:0961-1","title":"Security update for zziplib","description":"This update for zziplib fixes the following issues:\n\n- CVE-2020-18770: Fixed denial-of-service in function zzip_disk_entry_to_file_header in mmapped.c (bsc#1214577).\n","status":"published","published":"2024-03-21T09:41:35Z","modified":"2026-02-04T02:21:30.387644Z","updated_at":"2026-11-02T15:53:54.239786Z"},{"id":"SUSE-SU-2024:0970-1","title":"Security update for zziplib","description":"This update for zziplib fixes the following issues:\n\nSecurity issue fixed:\n\n- CVE-2020-18442: Fixed infinite loop in zzip_file_read() as used in unzzip_cat_file() (bsc#1187526).\n- CVE-2020-18770: Fixed denial-of-service in function zzip_disk_entry_to_file_header in mmapped.c (bsc#1214577).\n\nNon-security issue fixed:\n\n- Implement an error message with a condition by checking the return value of a function call. (bsc#1154002)\n","status":"published","published":"2024-03-22T08:10:48Z","modified":"2026-02-04T03:33:05.955479Z","updated_at":"2026-11-02T15:53:54.239786Z"}]}}