{"answers":{"affected":"3 open source packages ship an affected version, including opentelemetry-instrumentation. It affects 1 product.","exploited":"There is no known exploitation of CVE-2023-43810 in the wild and no public exploit code.","fix":"Upgrade opentelemetry-instrumentation to 0.41b0 or later.","what":"CVE-2023-43810 is a high-severity denial of service vulnerability in open-telemetry opentelemetry-python-contrib, published on 6 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2023-43810 and fix it if it is affected.\n\nWhat it is: CVE-2023-43810 is a high-severity denial of service vulnerability in open-telemetry opentelemetry-python-contrib, published on 6 Oct 2023. 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-2023-43810 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- opentelemetry-instrumentation (PyPI): affected all versions; fixed in 0.41b0\n- opentelemetry-instrumentation (PyPI): affected all versions; fixed in 0.41b0\n- opentelemetry-instrumentation (PyPI): affected all versions; fixed in 0.41b0\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-2023-43810/ (Markdown: https://insights.sbomify.com/CVE-2023-43810/index.md)","id":"CVE-2023-43810","markdown":"https://insights.sbomify.com/CVE-2023-43810/index.md","name":"CVE-2023-43810","record":{"aliases":["GHSA-5rv5-6h4r-h22v","PYSEC-2026-1752","ROOT-APP-PYPI-CVE-2023-43810"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":true,"product_category":"OpenTelemetry Python instrumentation","requires_auth":"none","summary":"Attackers can cause memory exhaustion in instrumented applications by sending requests with random, long HTTP methods, leading to denial of service.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"opentelemetry","vendor":"opentelemetry"}],"cvss":{"score":7.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-400","name":"Uncontrolled Resource Consumption"}],"description":"OpenTelemetry, also known as OTel for short, is a vendor-neutral open-source Observability framework for instrumenting, generating, collecting, and exporting telemetry data such as traces, metrics, logs. Autoinstrumentation out of the box adds the label `http_method` that has unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent. HTTP method for requests can be easily set by an attacker to be random and long. In order to be affected program has to be instrumented for HTTP handlers and does not filter any unknown HTTP methods on the level of CDN, LB, previous middleware, etc. This issue has been patched in version 0.41b0.","ecosystems":["PyPI"],"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":"opentelemetry-instrumentation Denial of Service vulnerability due to unbound cardinality metrics","id":"CVE-2023-43810","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"PyPI","product":null,"products":[],"type":"denial_of_service","year":"2023"},"n_packages":3,"n_references":3,"next":{"headline":"glpi Authenticated SQL Injection","id":"CVE-2023-43813"},"packages":[{"ecosystem":"PyPI","fixed":["0.41b0"],"introduced":["0"],"last_affected":[],"package":"opentelemetry-instrumentation","purl":null,"source":"GHSA-5rv5-6h4r-h22v"},{"ecosystem":"PyPI","fixed":["0.41b0"],"introduced":["0"],"last_affected":[],"package":"opentelemetry-instrumentation","purl":"pkg:pypi/opentelemetry-instrumentation","source":"GHSA-5rv5-6h4r-h22v"},{"ecosystem":"PyPI","fixed":["0.41b0"],"introduced":["0"],"last_affected":[],"package":"opentelemetry-instrumentation","purl":"pkg:pypi/opentelemetry-instrumentation","source":"PYSEC-2026-1752"}],"prev":{"headline":"Soft Serve Public Key Authentication Bypass Vulnerability when Keyboard-Interactive SSH Authentication is Enabled","id":"CVE-2023-43809"},"products":["opentelemetry-python-contrib"],"published":"2023-10-06","related":[{"cvss_score":7.5,"headline":"OpenTelemetry-Go multi-value `baggage` header extraction causes excessive allocations (remote dos amplification)","id":"CVE-2026-29181","kev_date_added":null,"published":"2026-04-07"},{"cvss_score":7.5,"headline":"DoS vulnerability in otelgrpc (uncontrolled resource consumption) due to unbound cardinality metrics","id":"CVE-2023-47108","kev_date_added":null,"published":"2023-11-10"},{"cvss_score":7.5,"headline":"OpenTelemetry-Go Contrib has DoS vulnerability in otelhttp due to unbound cardinality metrics","id":"CVE-2023-45142","kev_date_added":null,"published":"2023-10-12"},{"cvss_score":7.3,"headline":"opentelemetry-go: BSD kenv command not using absolute path enables PATH hijacking","id":"CVE-2026-39883","kev_date_added":null,"published":"2026-04-08"},{"cvss_score":7,"headline":"OpenTelemetry-Go Affected by Arbitrary Code Execution via PATH Hijacking","id":"CVE-2026-24051","kev_date_added":null,"published":"2026-02-02"},{"cvss_score":5.9,"headline":"OpenTelemetry dotnet: Potential memory exhaustion via unbounded pooled-list sizing in Jaeger exporter conversion path","id":"CVE-2026-41078","kev_date_added":null,"published":"2026-04-23"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"PyPA Advisory Database","prefix":"PYSEC"},{"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":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2024-09-19","vendors":["open-telemetry"]},"summary":"Attackers can cause memory exhaustion in instrumented applications by sending requests with random, long HTTP methods, leading to denial of service.","url":"https://insights.sbomify.com/CVE-2023-43810/"}