{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-0799 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2026-0799 is a high-severity memory corruption vulnerability in The Tcpdump Group libpcap, published on 5 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-0799 and fix it if it is affected.\n\nWhat it is: CVE-2026-0799 is a high-severity memory corruption vulnerability in The Tcpdump Group libpcap, published on 5 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-0799 in the wild and no public exploit code.\n\nAffected product: The Tcpdump Group libpcap. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-0799/ (Markdown: https://insights.sbomify.com/CVE-2026-0799/index.md)","id":"CVE-2026-0799","markdown":"https://insights.sbomify.com/CVE-2026-0799/index.md","name":"CVE-2026-0799","record":{"aliases":["ALPINE-CVE-2026-0799","ALSA-2026:74441","ALSA-2026:74442","ALSA-2026:76045","AZL-99744","AZL-99933","BELL-CVE-2026-0799","CLSA-2026-1791564868","CLSA-2026-1792511293","CLSA-2026-1792511364","DEBIAN-CVE-2026-0799","ECHO-5d51-54c1-0e2c","GHSA-w3r6-8g24-54m5","RHSA-2026:74441","RHSA-2026:74442","RHSA-2026:76045","RLSA-2026:74441","RLSA-2026:74442","RLSA-2026:76045","UBUNTU-CVE-2026-0799","USN-8824-1"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["code_execution","denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Packet capture library","requires_auth":"low_privilege","summary":"A crafted BPF filter can cause out-of-bounds memory access in libpcap, potentially leading to code execution or crashes.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Tcpdump","cpe":[],"cvss":{"score":8.7,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"},{"id":"CWE-129","name":"Improper Validation of Array Index"},{"id":"CWE-125","name":"Out-of-bounds Read"}],"description":"In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BPF interpreter does not validate the value.  In particular uncommon use cases a crafted filter program can cause the interpreter to try reading and writing the OS process memory in the 16GiB starting at the current stack frame on 64-bit architectures and in the entire address space on 32-bit architectures.","ecosystems":["AlmaLinux:10","AlmaLinux:8","AlmaLinux:9","Red Hat:enterprise_linux:10.2","Red Hat:enterprise_linux:8::baseos","Red Hat:enterprise_linux:8::crb","Red Hat:enterprise_linux:9::baseos","Red Hat:enterprise_linux:9::crb","Rocky Linux:10","Rocky Linux:8","Rocky Linux:9"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"OOBR and OOBW in libpcap before 1.10.7","id":"CVE-2026-0799","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"memory_corruption","year":"2026"},"n_packages":25,"n_references":1,"next":{"headline":"Cross-site scripting in User Submitted Posts – Enable Users to Submit Posts from the Front End","id":"CVE-2026-0800"},"packages":[{"ecosystem":"AlmaLinux:10","fixed":["14:1.10.4-7.el10_2.1"],"introduced":["0"],"last_affected":[],"package":"libpcap","purl":"pkg:rpm/almalinux/libpcap","source":"ALSA-2026:74442"},{"ecosystem":"AlmaLinux:10","fixed":["14:1.10.4-7.el10_2.1"],"introduced":["0"],"last_affected":[],"package":"libpcap-devel","purl":"pkg:rpm/almalinux/libpcap-devel","source":"ALSA-2026:74442"},{"ecosystem":"AlmaLinux:8","fixed":["14:1.9.1-6.el8_10"],"introduced":["0"],"last_affected":[],"package":"libpcap","purl":"pkg:rpm/almalinux/libpcap","source":"ALSA-2026:76045"},{"ecosystem":"AlmaLinux:8","fixed":["14:1.9.1-6.el8_10"],"introduced":["0"],"last_affected":[],"package":"libpcap-devel","purl":"pkg:rpm/almalinux/libpcap-devel","source":"ALSA-2026:76045"},{"ecosystem":"AlmaLinux:9","fixed":["14:1.10.0-4.el9_8.1"],"introduced":["0"],"last_affected":[],"package":"libpcap","purl":"pkg:rpm/almalinux/libpcap","source":"ALSA-2026:74441"},{"ecosystem":"AlmaLinux:9","fixed":["14:1.10.0-4.el9_8.1"],"introduced":["0"],"last_affected":[],"package":"libpcap-devel","purl":"pkg:rpm/almalinux/libpcap-devel","source":"ALSA-2026:74441"},{"ecosystem":"Red Hat:enterprise_linux:10.2","fixed":["14:1.10.4-7.el10_2.1"],"introduced":["0"],"last_affected":[],"package":"libpcap","purl":"pkg:rpm/redhat/libpcap","source":"RHSA-2026:74442"},{"ecosystem":"Red Hat:enterprise_linux:10.2","fixed":["14:1.10.4-7.el10_2.1"],"introduced":["0"],"last_affected":[],"package":"libpcap-debuginfo","purl":"pkg:rpm/redhat/libpcap-debuginfo","source":"RHSA-2026:74442"},{"ecosystem":"Red Hat:enterprise_linux:10.2","fixed":["14:1.10.4-7.el10_2.1"],"introduced":["0"],"last_affected":[],"package":"libpcap-debugsource","purl":"pkg:rpm/redhat/libpcap-debugsource","source":"RHSA-2026:74442"},{"ecosystem":"Red Hat:enterprise_linux:10.2","fixed":["14:1.10.4-7.el10_2.1"],"introduced":["0"],"last_affected":[],"package":"libpcap-devel","purl":"pkg:rpm/redhat/libpcap-devel","source":"RHSA-2026:74442"},{"ecosystem":"Red Hat:enterprise_linux:8::baseos","fixed":["14:1.9.1-6.el8_10"],"introduced":["0"],"last_affected":[],"package":"libpcap","purl":"pkg:rpm/redhat/libpcap","source":"RHSA-2026:76045"},{"ecosystem":"Red Hat:enterprise_linux:8::baseos","fixed":["14:1.9.1-6.el8_10"],"introduced":["0"],"last_affected":[],"package":"libpcap-debuginfo","purl":"pkg:rpm/redhat/libpcap-debuginfo","source":"RHSA-2026:76045"},{"ecosystem":"Red Hat:enterprise_linux:8::baseos","fixed":["14:1.9.1-6.el8_10"],"introduced":["0"],"last_affected":[],"package":"libpcap-debugsource","purl":"pkg:rpm/redhat/libpcap-debugsource","source":"RHSA-2026:76045"},{"ecosystem":"Red Hat:enterprise_linux:8::crb","fixed":["14:1.9.1-6.el8_10"],"introduced":["0"],"last_affected":[],"package":"libpcap-debuginfo","purl":"pkg:rpm/redhat/libpcap-debuginfo","source":"RHSA-2026:76045"},{"ecosystem":"Red Hat:enterprise_linux:8::crb","fixed":["14:1.9.1-6.el8_10"],"introduced":["0"],"last_affected":[],"package":"libpcap-debugsource","purl":"pkg:rpm/redhat/libpcap-debugsource","source":"RHSA-2026:76045"},{"ecosystem":"Red Hat:enterprise_linux:8::crb","fixed":["14:1.9.1-6.el8_10"],"introduced":["0"],"last_affected":[],"package":"libpcap-devel","purl":"pkg:rpm/redhat/libpcap-devel","source":"RHSA-2026:76045"},{"ecosystem":"Red Hat:enterprise_linux:9::baseos","fixed":["14:1.10.0-4.el9_8.1"],"introduced":["0"],"last_affected":[],"package":"libpcap","purl":"pkg:rpm/redhat/libpcap","source":"RHSA-2026:74441"},{"ecosystem":"Red Hat:enterprise_linux:9::baseos","fixed":["14:1.10.0-4.el9_8.1"],"introduced":["0"],"last_affected":[],"package":"libpcap-debuginfo","purl":"pkg:rpm/redhat/libpcap-debuginfo","source":"RHSA-2026:74441"},{"ecosystem":"Red Hat:enterprise_linux:9::baseos","fixed":["14:1.10.0-4.el9_8.1"],"introduced":["0"],"last_affected":[],"package":"libpcap-debugsource","purl":"pkg:rpm/redhat/libpcap-debugsource","source":"RHSA-2026:74441"},{"ecosystem":"Red Hat:enterprise_linux:9::crb","fixed":["14:1.10.0-4.el9_8.1"],"introduced":["0"],"last_affected":[],"package":"libpcap-debuginfo","purl":"pkg:rpm/redhat/libpcap-debuginfo","source":"RHSA-2026:74441"},{"ecosystem":"Red Hat:enterprise_linux:9::crb","fixed":["14:1.10.0-4.el9_8.1"],"introduced":["0"],"last_affected":[],"package":"libpcap-debugsource","purl":"pkg:rpm/redhat/libpcap-debugsource","source":"RHSA-2026:74441"},{"ecosystem":"Red Hat:enterprise_linux:9::crb","fixed":["14:1.10.0-4.el9_8.1"],"introduced":["0"],"last_affected":[],"package":"libpcap-devel","purl":"pkg:rpm/redhat/libpcap-devel","source":"RHSA-2026:74441"},{"ecosystem":"Rocky Linux:10","fixed":["4:1.10.4-7.el10_2.1"],"introduced":["0"],"last_affected":[],"package":"libpcap","purl":"pkg:rpm/rocky-linux/libpcap?distro=rocky-linux-10\u0026epoch=4","source":"RLSA-2026:74442"},{"ecosystem":"Rocky Linux:8","fixed":["4:1.9.1-6.el8_10"],"introduced":["0"],"last_affected":[],"package":"libpcap","purl":"pkg:rpm/rocky-linux/libpcap?distro=rocky-linux-8\u0026epoch=4","source":"RLSA-2026:76045"},{"ecosystem":"Rocky Linux:9","fixed":["4:1.10.0-4.el9_8.1"],"introduced":["0"],"last_affected":[],"package":"libpcap","purl":"pkg:rpm/rocky-linux/libpcap?distro=rocky-linux-9\u0026epoch=4","source":"RLSA-2026:74441"}],"prev":{"headline":"Gitea Release Email Notifications Leak Private Repository Release Details After Access Revocation","id":"CVE-2026-0798"},"products":["libpcap"],"published":"2026-09-05","related":[],"sources":[{"class":"attribution","licence":"MIT","name":"AlmaLinux","prefix":"ALSA"},{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"Red Hat","prefix":"RHSA"},{"class":"attribution","licence":"BSD","name":"Rocky Linux","prefix":"RLSA"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-08","vendors":["The Tcpdump Group"]},"summary":"A crafted BPF filter can cause out-of-bounds memory access in libpcap, potentially leading to code execution or crashes.","url":"https://insights.sbomify.com/CVE-2026-0799/"}