{"id":"CVE-2026-48112","aliases":["ALPINE-CVE-2026-48112","DEBIAN-CVE-2026-48112","EUVD-2026-34857","SUSE-SU-2026:22347-1","SUSE-SU-2026:2696-1","UBUNTU-CVE-2026-48112","openSUSE-SU-2026:11502-1","openSUSE-SU-2026:21038-1"],"status":"published","title":"GHSL-2026-122 7-Zip Ar SYMDEF OOB Read","description":"7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain a heap out-of-bounds read in 7-Zip Ar handler BSD SYMDEF parser. A 4-byte heap out-of-bounds read exists in the Unix ar archive parser in 7-Zip. When parsing a BSD-style __.SYMDEF symbol table, the ParseLibSymbols function reads a 32-bit namesSize field via Get32 at a position that can equal the buffer size, reading 4 bytes past the end of the heap allocation. This reads uninitialized heap data under the default allocator. Version 26.01 patches the issue.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00267,"percentile":0.18919,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125","CWE-190"],"published":"2026-06-05T16:20:19Z","modified":"2026-10-17T13:00:22Z","fixes":[{"ecosystem":"Alpine:v3.24","package":"7zip","fixed_in":["26.01-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"7zip","fixed_in":["22.01+really26.01+dfsg-0+deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"7zip","fixed_in":["26.01+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"p7zip","fixed_in":["16.02+really26.01+dfsg-0+deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"p7zip","fixed_in":["16.02+transitional.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.24","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"22.01+really26.01+dfsg-0+deb12u1"}]}],"versions":["22.01+dfsg-10~exp1","22.01+dfsg-8","22.01+dfsg-8+deb12u1","22.01+dfsg-9","22.01+really25.01+dfsg-0+deb12u1"]},{"source":"osv","ecosystem":"Debian:13","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["24.09+dfsg-8","25.00+dfsg-1","25.01+dfsg-1","25.01+dfsg-1~deb13u1","25.01+dfsg-1~deb13u1~bpo12+1","25.01+dfsg-1~deb13u2","25.01+dfsg-2","25.01+dfsg-3","25.01+dfsg-4","25.01+dfsg-5","26.00+dfsg-1","26.00+dfsg-2","26.00+dfsg-3","26.00+dfsg-4","26.00+dfsg-5","26.00+dfsg1-1","26.00+dfsg1-2","26.00+dfsg1-3","26.01+dfsg-1","26.01+dfsg-2","26.01+dfsg-3","26.02+dfsg-1","26.02+dfsg-2","26.02+dfsg-3","26.03+dfsg-1","26.03+dfsg-2","26.03+dfsg-3"]},{"source":"osv","ecosystem":"Debian:14","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01+dfsg-1"}]}],"versions":["24.09+dfsg-8","25.00+dfsg-1","25.01+dfsg-1","25.01+dfsg-1~deb13u1","25.01+dfsg-1~deb13u1~bpo12+1","25.01+dfsg-1~deb13u2","25.01+dfsg-2","25.01+dfsg-3","25.01+dfsg-4","25.01+dfsg-5","26.00+dfsg-1","26.00+dfsg-2","26.00+dfsg-3","26.00+dfsg-4","26.00+dfsg-5","26.00+dfsg1-1","26.00+dfsg1-2","26.00+dfsg1-3"]},{"source":"osv","ecosystem":"Debian:12","package":"p7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.02+really26.01+dfsg-0+deb12u1"}]}],"versions":["16.02+dfsg-8","16.02+really25.01+dfsg-0+deb12u1"]},{"source":"osv","ecosystem":"Debian:13","package":"p7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.02+transitional.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 16.0","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-160000.1.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP applications 16.0","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-160000.1.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP7","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-150400.9.6.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-150400.9.6.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-150400.9.6.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-150400.9.6.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-150400.9.6.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP4-LTSS","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-150400.9.6.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP5-LTSS","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-150400.9.6.1"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise 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16.0","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.01-160000.1.1"}]}],"bundled":8}],"products":[{"vendor":"7-zip","product":"7-zip"},{"vendor":"mcmilk","product":"7-zip"}],"references":[{"url":"https://securitylab.github.com/advisories/GHSL-2026-115_GHSL-2026-122_7-zip/","tags":["x_refsource_CONFIRM","Exploit","Patch","Third Party Advisory","report"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-48112","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-48112","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202622347-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1267421","tags":["report"]},{"url":"https://bugzilla.suse.com/1267858","tags":["report"]},{"url":"https://bugzilla.suse.com/1267859","tags":["report"]},{"url":"https://bugzilla.suse.com/1267860","tags":["report"]},{"url":"https://bugzilla.suse.com/1267861","tags":["report"]},{"url":"https://bugzilla.suse.com/1267862","tags":["report"]},{"url":"https://bugzilla.suse.com/1267863","tags":["report"]},{"url":"https://bugzilla.suse.com/1267864","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48092","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48095","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48101","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48102","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48103","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48104","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48111","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48112","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20262696-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-48112","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-48112","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-48112","title":"GHSL-2026-122 7-Zip Ar SYMDEF OOB Read","description":"7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain a heap out-of-bounds read in 7-Zip Ar handler BSD SYMDEF parser. A 4-byte heap out-of-bounds read exists in the Unix ar archive parser in 7-Zip. When parsing a BSD-style __.SYMDEF symbol table, the ParseLibSymbols function reads a 32-bit namesSize field via Get32 at a position that can equal the buffer size, reading 4 bytes past the end of the heap allocation. This reads uninitialized heap data under the default allocator. Version 26.01 patches the issue.","status":"published","published":"2026-06-05T16:20:19.633Z","modified":"2026-06-05T19:38:43.293Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-190","CWE-125"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-34857","description":"7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain a heap out-of-bounds read in 7-Zip Ar handler BSD SYMDEF parser. A 4-byte heap out-of-bounds read exists in the Unix ar archive parser in 7-Zip. When parsing a BSD-style __.SYMDEF symbol table, the ParseLibSymbols function reads a 32-bit namesSize field via Get32 at a position that can equal the buffer size, reading 4 bytes past the end of the heap allocation. This reads uninitialized heap data under the default allocator. Version 26.01 patches the issue.","status":"published","published":"2026-06-05T16:20:19Z","modified":"2026-06-05T19:38:43Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:50.521592Z"}],"nvd":[{"id":"CVE-2026-48112","description":"7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain a heap out-of-bounds read in 7-Zip Ar handler BSD SYMDEF parser. A 4-byte heap out-of-bounds read exists in the Unix ar archive parser in 7-Zip. When parsing a BSD-style __.SYMDEF symbol table, the ParseLibSymbols function reads a 32-bit namesSize field via Get32 at a position that can equal the buffer size, reading 4 bytes past the end of the heap allocation. This reads uninitialized heap data under the default allocator. Version 26.01 patches the issue.","status":"published","published":"2026-06-05T17:16:49.353Z","modified":"2026-06-17T10:54:52.06Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-125","CWE-190"],"updated_at":"2026-11-02T14:12:22.371367Z"}],"osv":[{"id":"ALPINE-CVE-2026-48112","description":"7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain a heap out-of-bounds read in 7-Zip Ar handler BSD SYMDEF parser. A 4-byte heap out-of-bounds read exists in the Unix ar archive parser in 7-Zip. When parsing a BSD-style __.SYMDEF symbol table, the ParseLibSymbols function reads a 32-bit namesSize field via Get32 at a position that can equal the buffer size, reading 4 bytes past the end of the heap allocation. This reads uninitialized heap data under the default allocator. Version 26.01 patches the issue.","status":"published","published":"2026-06-05T17:16:49.353Z","modified":"2026-10-01T02:17:49.319131065Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:27:50.764331Z"},{"id":"DEBIAN-CVE-2026-48112","description":"7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain a heap out-of-bounds read in 7-Zip Ar handler BSD SYMDEF parser. A 4-byte heap out-of-bounds read exists in the Unix ar archive parser in 7-Zip. When parsing a BSD-style __.SYMDEF symbol table, the ParseLibSymbols function reads a 32-bit namesSize field via Get32 at a position that can equal the buffer size, reading 4 bytes past the end of the heap allocation. This reads uninitialized heap data under the default allocator. Version 26.01 patches the issue.","status":"published","published":"2026-06-05T17:16:49.353Z","modified":"2026-10-01T03:03:15.995939928Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:56.444225Z"},{"id":"UBUNTU-CVE-2026-48112","description":"7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain a heap out-of-bounds read in 7-Zip Ar handler BSD SYMDEF parser. A 4-byte heap out-of-bounds read exists in the Unix ar archive parser in 7-Zip. When parsing a BSD-style __.SYMDEF symbol table, the ParseLibSymbols function reads a 32-bit namesSize field via Get32 at a position that can equal the buffer size, reading 4 bytes past the end of the heap allocation. This reads uninitialized heap data under the default allocator. Version 26.01 patches the issue.","status":"published","published":"2026-06-05T17:16:00Z","modified":"2026-10-17T13:00:22.715266944Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:56:33.391918Z"},{"id":"openSUSE-SU-2026:11502-1","title":"7zip-26.02-2.1 on GA media","description":"These are all security issues fixed in the 7zip-26.02-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-08-13T00:00:00Z","modified":"2026-08-14T10:30:27.806351271Z","updated_at":"2026-11-02T16:58:39.516824Z"},{"id":"openSUSE-SU-2026:21038-1","title":"Security update for 7zip","description":"This update for 7zip fixes the following issues\n\nUpdate to 26.01:\n\n- CVE-2026-48092: Information disclosure in 32-bit builds due to heap memory disclosure (bsc#1267858).\n- CVE-2026-48095: Heap buffer overflow via NTFS compressed stream buffer under-allocation (bsc#1267421).\n- CVE-2026-48101: Information Disclosure via uninitialized memory in UEFI capsule parser (bsc#1267859).\n- CVE-2026-48102: Information disclosure and denial of service via crafted UDF image (bsc#1267860).\n- CVE-2026-48103: off-by-one heap out-of-bounds read (bsc#1267861).\n- CVE-2026-48104: Uninitialized heap read in SquashFS archive handler (bsc#1267862).\n- CVE-2026-48111: off-by-one out-of-bounds read in ParseDepedencyExpression function (bsc#1267863).\n- CVE-2026-48112: heap out-of-bounds read in BSD SYMDEF parser (bsc#1267864).\n\nChanges:\n\n * linux version of 7-Zip can use huge pages (2 MB pages). It can\n increase compression speed for 10% for 7z/xz/LZMA/LZMA2 compression.\n * new -spo[d|c|r] switch specifies the path generation mode for\n the output directory for archive extraction. The output directory\n path is generated from the path specified in the -o{dir_path}\n switch and the name of the archive being unpacked.\n -spod : for Linux/Posix/macOS: -o{dir_path} specifies the direct\n path to the output directory. The asterisk (*) character\n in {dir_path} will not be replaced by the archive name.\n -spoc : 7-Zip will concatenate the path specified in -o{dir_path}\n with the archive name to form the final path to the output\n directory.\n -spor : 7-Zip will replace asterisk (*) character in the path\n specified in the -o{dir_path} with the archive name.\n This is the default option.\n * some bugs were fixed.\n- Update to 26.00:\n * improved code for ZIP, CPIO, RAR, UFD, QCOW, Compound.\n * 7-Zip File Manager: improved sorting order of the file list.\n It uses file name as secondary sorting key.:\n * 7-Zip File Manager: improved Benchmark to support systems with more than\n 64 CPU threads.\n * bug fixed: 7-Zip could not correctly extract TAR archives containing sparse\n files\n","status":"published","published":"2026-06-23T12:46:58Z","modified":"2026-06-30T18:24:37.043123175Z","updated_at":"2026-11-02T16:58:41.885092Z"},{"id":"SUSE-SU-2026:22347-1","title":"Security update for 7zip","description":"This update for 7zip fixes the following issues\n\nUpdate to 26.01:\n\n- CVE-2026-48092: Information disclosure in 32-bit builds due to heap memory disclosure (bsc#1267858).\n- CVE-2026-48095: Heap buffer overflow via NTFS compressed stream buffer under-allocation (bsc#1267421).\n- CVE-2026-48101: Information Disclosure via uninitialized memory in UEFI capsule parser (bsc#1267859).\n- CVE-2026-48102: Information disclosure and denial of service via crafted UDF image (bsc#1267860).\n- CVE-2026-48103: off-by-one heap out-of-bounds read (bsc#1267861).\n- CVE-2026-48104: Uninitialized heap read in SquashFS archive handler (bsc#1267862).\n- CVE-2026-48111: off-by-one out-of-bounds read in ParseDepedencyExpression function (bsc#1267863).\n- CVE-2026-48112: heap out-of-bounds read in BSD SYMDEF parser (bsc#1267864).\n\nChanges:\n\n * linux version of 7-Zip can use huge pages (2 MB pages). It can\n increase compression speed for 10% for 7z/xz/LZMA/LZMA2 compression.\n * new -spo[d|c|r] switch specifies the path generation mode for\n the output directory for archive extraction. The output directory\n path is generated from the path specified in the -o{dir_path}\n switch and the name of the archive being unpacked.\n -spod : for Linux/Posix/macOS: -o{dir_path} specifies the direct\n path to the output directory. The asterisk (*) character\n in {dir_path} will not be replaced by the archive name.\n -spoc : 7-Zip will concatenate the path specified in -o{dir_path}\n with the archive name to form the final path to the output\n directory.\n -spor : 7-Zip will replace asterisk (*) character in the path\n specified in the -o{dir_path} with the archive name.\n This is the default option.\n * some bugs were fixed.\n- Update to 26.00:\n * improved code for ZIP, CPIO, RAR, UFD, QCOW, Compound.\n * 7-Zip File Manager: improved sorting order of the file list.\n It uses file name as secondary sorting key.:\n * 7-Zip File Manager: improved Benchmark to support systems with more than\n 64 CPU threads.\n * bug fixed: 7-Zip could not correctly extract TAR archives containing sparse\n files\n","status":"published","published":"2026-06-23T12:43:00Z","modified":"2026-07-02T18:24:12.464330836Z","updated_at":"2026-11-02T15:54:03.080707Z"},{"id":"SUSE-SU-2026:2696-1","title":"Security update for 7zip","description":"This update for 7zip fixes the following issues\n\nUpdate to 26.01:\n\n- CVE-2026-48092: Information disclosure in 32-bit builds due to heap memory disclosure (bsc#1267858).\n- CVE-2026-48095: Heap buffer overflow via NTFS compressed stream buffer under-allocation (bsc#1267421).\n- CVE-2026-48101: Information Disclosure via uninitialized memory in UEFI capsule parser (bsc#1267859).\n- CVE-2026-48102: Information disclosure and denial of service via crafted UDF image (bsc#1267860).\n- CVE-2026-48103: off-by-one heap out-of-bounds read (bsc#1267861).\n- CVE-2026-48104: Uninitialized heap read in SquashFS archive handler (bsc#1267862).\n- CVE-2026-48111: off-by-one out-of-bounds read in ParseDepedencyExpression function (bsc#1267863).\n- CVE-2026-48112: heap out-of-bounds read in BSD SYMDEF parser (bsc#1267864).\n\nChanges:\n\n * linux version of 7-Zip can use huge pages (2 MB pages). It can\n increase compression speed for 10% for 7z/xz/LZMA/LZMA2 compression.\n * new -spo[d|c|r] switch specifies the path generation mode for\n the output directory for archive extraction. The output directory\n path is generated from the path specified in the -o{dir_path}\n switch and the name of the archive being unpacked.\n -spod : for Linux/Posix/macOS: -o{dir_path} specifies the direct\n path to the output directory. The asterisk (*) character\n in {dir_path} will not be replaced by the archive name.\n -spoc : 7-Zip will concatenate the path specified in -o{dir_path}\n with the archive name to form the final path to the output\n directory.\n -spor : 7-Zip will replace asterisk (*) character in the path\n specified in the -o{dir_path} with the archive name.\n This is the default option.\n * improved code for ZIP, CPIO, RAR, UFD, QCOW, Compound.\n * 7-Zip File Manager: improved sorting order of the file list.\n It uses file name as secondary sorting key.:\n * 7-Zip File Manager: improved Benchmark to support systems with more than\n 64 CPU threads.\n * bug fixed: 7-Zip could not correctly extract TAR archives containing sparse\n files\n","status":"published","published":"2026-06-30T09:10:04Z","modified":"2026-07-01T09:45:06.024787597Z","updated_at":"2026-11-02T15:54:04.519245Z"}]}}