{"answers":{"affected":"It affects 2 products.","exploited":"There is no known exploitation of CVE-2026-12549 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-12549 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 22 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-12549 and fix it if it is affected.\n\nWhat it is: CVE-2026-12549 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 22 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-12549 in the wild and no public exploit code.\n\nAffected product: Redhat Enterprise Linux. 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-2026-12549/ (Markdown: https://insights.sbomify.com/CVE-2026-12549/index.md)","id":"CVE-2026-12549","markdown":"https://insights.sbomify.com/CVE-2026-12549/index.md","name":"CVE-2026-12549","record":{"aliases":["CLSA-2026-1784191279","CLSA-2026-1784192091","DEBIAN-CVE-2026-12549","GHSA-7gwx-vgp2-4hmg","UBUNTU-CVE-2026-12549"],"analysis":{"component_type":"library","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Libsoup HTTP library","requires_auth":"none","summary":"An integer overflow in Libsoup's Range request handling causes malformed responses and log flooding, potentially leading to denial of service.","user_interaction":"not_required","vuln_class":"integer_overflow"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[{"product":"libsoup","vendor":"gnome"},{"product":"enterprise_linux","vendor":"redhat"}],"cvss":{"score":4.8,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","version":"3.1"},"cwes":[{"id":"CWE-805","name":"Buffer Access with Incorrect Length Value"}],"description":"The fix for CVE-2026-2443 was regressed by a subsequent rework commit that replaced specific overflow checks with a general signed comparison. When a client sends a Range request with a suffix length exceeding the content size, the resulting negative start value is not properly clamped, leading to malformed HTTP 206 responses and log flooding.","ecosystems":[],"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":"Libsoup: incomplete fix for cve-2026-2443: range suffix overflow in libsoup soupserver","id":"CVE-2026-12549","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"redhat:enterprise_linux","products":["redhat:enterprise_linux"],"type":"integer_overflow","year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"HP Web Jetadmin (WJA) - Potential Arbitrary File Read/Write","id":"CVE-2026-12553"},"packages":[],"prev":{"headline":"Libsoup: heap out-of-bounds read in libsoup due to integer truncation","id":"CVE-2026-12548"},"products":["Red Hat Enterprise Linux 10","Red Hat Enterprise Linux 6","Red Hat Enterprise Linux 7","Red Hat Enterprise Linux 8","Red Hat Enterprise Linux 9"],"published":"2026-06-22","related":[{"cvss_score":8.6,"headline":"Libsoup: libsoup: heap buffer overflow from websocket pong signal type confusion","id":"CVE-2026-102556","kev_date_added":null,"published":"2026-09-29"},{"cvss_score":8.6,"headline":"Libsoup: libsoup: heap buffer overflow during websocket message reassembly","id":"CVE-2026-102557","kev_date_added":null,"published":"2026-09-29"},{"cvss_score":8.6,"headline":"Libsoup: libsoup: heap buffer overflow during websocket receive-buffer growth","id":"CVE-2026-102558","kev_date_added":null,"published":"2026-09-29"},{"cvss_score":8.6,"headline":"Libsoup: libsoup: heap buffer overflow during websocket client-frame masking","id":"CVE-2026-102559","kev_date_added":null,"published":"2026-09-29"},{"cvss_score":8.6,"headline":"Libsoup: libsoup: heap buffer overflow during outgoing permessage-deflate buffer growth","id":"CVE-2026-102560","kev_date_added":null,"published":"2026-09-29"},{"cvss_score":8.2,"headline":"Libsoup: libsoup: heap buffer overflow via uninitialized length in data-uri base64 decoding","id":"CVE-2026-102555","kev_date_added":null,"published":"2026-09-29"},{"cvss_score":7.5,"headline":"Other in n/a","id":"CVE-2024-52530","kev_date_added":null,"published":"2024-11-11"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"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":"2026-06-23","vendors":["Red Hat"]},"summary":"An integer overflow in Libsoup's Range request handling causes malformed responses and log flooding, potentially leading to denial of service.","url":"https://insights.sbomify.com/CVE-2026-12549/"}