{"kind": "product", "path": "vulns/ubuntu-26.10/dulwich", "name": "dulwich", "product": "dulwich", "ecosystem": "Ubuntu:26.10", "items": [{"id": "CVE-2026-114094", "noindex": false, "published": "2026-10-21T00:36:58.401Z", "modified": "2026-10-21T00:36:58.401Z", "cvss": 8.7, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00671, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-114094", "title": "Dulwich before 1.2.9 Arbitrary File Write via DOS drive letter paths", "description": "Dulwich before 1.2.9 fails to validate DOS drive letter prefixes in Git tree path elements on Windows, allowing arbitrary file write. Attackers can craft a malicious repository with a tree entry named 'C:' that bypasses NTFS validation and writes files outside the worktree to achieve remote code execution.", "references": ["https://github.com/jelmer/dulwich/security/advisories/GHSA-8mcx-5rqc-vhmf", "https://www.vulncheck.com/advisories/dulwich-before-1.2.9-arbitrary-file-write-via-dos-drive-letter-paths", "https://nvd.nist.gov/vuln/detail/CVE-2026-114094"], "fixes": [], "products": [{"name": "dulwich", "path": "vulns/ubuntu-26.10/dulwich", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-38974", "noindex": false, "published": "2026-07-15T00:00:00.000Z", "modified": "2026-07-16T18:26:43.162Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "severity": "medium", "epss": 0.00325, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-38974", "title": "CVE-2026-38974", "description": "Dulwich through 1.1.0 was found to be missing SSH host key verification in contrib/paramiko_vendor.py.", "references": ["https://github.com/jelmer/dulwich/pull/2123", "https://github.com/jelmer/dulwich", "https://nvd.nist.gov/vuln/detail/CVE-2026-38974"], "fixes": [], "products": [{"name": "dulwich", "path": "vulns/ubuntu-26.10/dulwich", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-52726", "noindex": false, "published": "2026-06-10T22:13:33.320Z", "modified": "2026-06-11T12:55:09.309Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "high", "epss": 0.00448, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-52726", "title": "Dulwich's submodule path traversal in porcelain.submodule_update / porcelain.clone(recurse_submodules=True) yields RCE via attacker-dropped .git/hooks payload", "description": "Dulwich is a pure-Python implementation of the Git file formats and protocols. Starting in version 0.23.2 and prior to version 1.2.5, `dulwich.porcelain.submodule_update`, and by extension `porcelain.clone(..., recurse_submodules=True)`, materializes attacker-controlled submodule paths from a crafted upstream repository without path validation. A malicious `.gitmodules` plus a matching tree gitlink whose `path` is `.git/hooks` (or any other directory inside the parent repository's `.git` directory) causes the attacker's submodule tree contents to be written directly into the victim's `.git/hooks/` directory, preserving executable mode bits. T", "references": ["https://github.com/jelmer/dulwich/security/advisories/GHSA-gfhv-vqv2-4544", "https://github.com/jelmer/dulwich/releases/tag/dulwich-1.2.5", "https://nvd.nist.gov/vuln/detail/CVE-2026-52726"], "fixes": [], "products": [{"name": "dulwich", "path": "vulns/ubuntu-26.10/dulwich", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-47734", "noindex": false, "published": "2026-06-10T22:11:02.704Z", "modified": "2026-06-11T16:14:16.785Z", "cvss": 5.7, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.00188, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-47734", "title": "Dulwich has unbounded memory allocation in receive-pack from crafted thin packs", "description": "Dulwich is a pure-Python implementation of the Git file formats and protocols. Starting in version 0.1.0 and prior to version 1.2.5, a client with push access could push a tiny crafted thin pack (~174 bytes)  whose delta header declares a huge   dest_size. When dulwich ingested it via  add_thin_pack / apply_delta, it would  allocate hundreds of MB of memory based on that attacker-controlled size, with no relationship to the actual bytes received. Operators running a Dulwich-based Git server that exposes git-receive-pack (i.e. accepts pushes) - for example via dulwich.server functionality, the HTTP  smart server, or anything built on ReceivePa", "references": ["https://github.com/jelmer/dulwich/security/advisories/GHSA-xrvj-v92f-53gj", "https://github.com/jelmer/dulwich/releases/tag/dulwich-1.2.5", "https://nvd.nist.gov/vuln/detail/CVE-2026-47734"], "fixes": [], "products": [{"name": "dulwich", "path": "vulns/ubuntu-26.10/dulwich", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-47712", "noindex": false, "published": "2026-06-10T22:01:49.996Z", "modified": "2026-06-11T12:42:40.209Z", "cvss": 3.3, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "severity": "low", "epss": 0.00139, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-47712", "title": "Dulwich doesn't sanitize commit subjects in `porcelain.format_patch`", "description": "Dulwich is a pure-Python implementation of the Git file formats and protocols. Starting in version 0.24.0 and prior to version 1.2.5, dulwich.porcelain.format_patch(outdir=...) derives each patch filename from the commit's subject line. Prior to this fix, get_summary only replaced spaces with dashes - path separators (/, \\), parent-directory components (..), and other filename-hostile characters (e.g. :) were preserved verbatim and passed straight into os.path.join(outdir, f\"{i:04d}-{summary}.patch\"). A malicious commit subject could therefore direct the generated patch file outside the requested outdir. This is fixed in Dulwich 1.2.5. Users ", "references": ["https://github.com/jelmer/dulwich/security/advisories/GHSA-555p-6grf-mh7f", "https://github.com/jelmer/dulwich/commit/c2446e51b", "https://github.com/jelmer/dulwich/releases/tag/dulwich-1.2.5"], "fixes": [], "products": [{"name": "dulwich", "path": "vulns/ubuntu-26.10/dulwich", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-42305", "noindex": false, "published": "2026-06-10T21:55:30.942Z", "modified": "2026-06-12T03:55:29.808Z", "cvss": 8.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "severity": "high", "epss": 0.00635, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-42305", "title": "Dulwich has an arbitrary file write via NTFS-hostile tree entries on Windows", "description": "Dulwich is a pure-Python implementation of the Git file formats and protocols. Versions starting with 0.10.0 and prior to 1.2.5 have an arbitrary file write leading to remote code execution when cloning or checking out a malicious Git repository on Windows. Dulwich's path-element validator accepted tree entries whose filenames contained bytes that Windows interprets as structural path syntax. Contributing configuration bugs made matters worse. The core.protectNTFS and core.protectHFS settings were looked up under a wrong option name and so user-set values were silently ignored, and core.protectNTFS only defaulted to true on Windows (Git upstr", "references": ["https://github.com/jelmer/dulwich/security/advisories/GHSA-897w-fcg9-f6xj", "https://github.com/jelmer/dulwich/commit/49eb56e51aad637fc23d54bf2a08cb42739b8290", "https://github.com/jelmer/dulwich/commit/57efc4aa1581e038915a0fd79365be53b150f4a9"], "fixes": [], "products": [{"name": "dulwich", "path": "vulns/ubuntu-26.10/dulwich", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-42563", "noindex": false, "published": "2026-06-10T21:47:14.927Z", "modified": "2026-06-12T03:55:30.892Z", "cvss": 7.7, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00555, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-42563", "title": "Dulwich Vulnerable to Command Injection via Merge Driver Path", "description": "Dulwich is a pure-Python implementation of the Git file formats and protocols. Starting in version 0.24.0 and prior to version 1.2.5, Dulwich's `ProcessMergeDriver` substitutes the file path (from the git tree, controllable by an attacker via a malicious branch) into the merge driver command via the `%P` placeholder and executes it with `subprocess.run(..., shell=True)`. An attacker who can cause a victim to merge an untrusted branch can achieve arbitrary command execution by crafting malicious file paths. Version 1.2.5 fixes the issue.", "references": ["https://github.com/jelmer/dulwich/security/advisories/GHSA-9277-mp7x-85jf", "https://github.com/jelmer/dulwich/commit/e3331b3b3a122fc313460182f928f59723580b7b", "https://github.com/jelmer/dulwich/releases/tag/dulwich-1.2.5"], "fixes": [], "products": [{"name": "dulwich", "path": "vulns/ubuntu-26.10/dulwich", "ecosystem": "Ubuntu:26.10"}]}], "total": 7, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "dulwich", "path": "vulns/ubuntu-26.10/dulwich", "ecosystem": "Ubuntu:26.10"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": [], "stats": {"recent": 1, "kev": 0}, "lastmod": "2026-10-21T00:36:58.401Z", "early_advisories": [], "license": "You may freely use the PatchFirst selection and our additions (priorities, early warnings, texts, summaries and aggregates) for your own purposes, including internal business use. Resale, commercial distribution and bulk mirroring of this selection or these additions require a written agreement with the operator. Whenever you use or publish the selection or our additions, credit PatchFirst (https://patchfirst.dev/vulns/) with this link to the regional feed page. Original records from open sources remain subject to their respective licenses and terms. These conditions do not restrict your rights to the original data, which you can obtain directly from those sources.", "terms_url": "https://patchfirst.dev/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "Records are selected, normalized and combined by PatchFirst; summaries and translations may be added. News is credited with a link to the original source in each entry.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. Unless required by applicable law or agreed to in writing, you provide such materials on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. CVE Usage : MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. DISCLAIMERS ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."}, {"id": "osv", "name": "OSV", "url": "https://osv.dev/", "terms_url": "https://google.github.io/osv.dev/data/", "terms": "Upstream licenses vary; see the source catalog."}, {"id": "kev", "name": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "license": "CC0-1.0", "terms_url": "https://github.com/cisagov/kev-data/blob/develop/LICENSE"}, {"id": "epss", "name": "FIRST EPSS", "url": "https://www.first.org/epss/", "terms_url": "https://www.first.org/epss/faq", "terms": "Free public scores; attribution requested (FIRST EPSS, scores generated by Empirical Security)."}, {"id": "github-advisory", "name": "GitHub Advisory Database", "url": "https://github.com/advisories", "license": "CC-BY-4.0", "terms_url": "https://github.com/github/advisory-database/blob/main/LICENSE.md"}, {"id": "exploitdb", "name": "Exploit-DB", "url": "https://www.exploit-db.com/", "license": "GPL-2.0", "terms_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/LICENSE.md"}, {"id": "metasploit", "name": "Metasploit", "url": "https://github.com/rapid7/metasploit-framework", "license": "BSD-3-Clause", "terms_url": "https://github.com/rapid7/metasploit-framework/blob/master/LICENSE", "notice": "Copyright (c) 2006-2026, Rapid7, Inc.\nLicense: BSD-3-clause\n Redistribution and use in source and binary forms, with or without modification,\n are permitted provided that the following conditions are met:\n .\n * Redistributions of source code must retain the above copyright notice,\n this list of conditions and the following disclaimer.\n .\n * Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n .\n * Neither the name of Rapid7, Inc. nor the names of its contributors\n may be used to endorse or promote products derived from this software\n without specific prior written permission.\n .\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n DISCLAIMED. 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