{"url":"http://public2.vulnerablecode.io/api/packages/626467?format=json","purl":"pkg:maven/org.eclipse.jetty.http3/http3-qpack@11.0.13","type":"maven","namespace":"org.eclipse.jetty.http3","name":"http3-qpack","version":"11.0.13","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"11.0.16","latest_non_vulnerable_version":"11.0.16","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/19364?format=json","vulnerability_id":"VCID-ypc7-f1nd-t7gn","summary":"Uncontrolled Resource Consumption\nEclipse Jetty provides a web server and servlet container. In versions 11.0.0 through 11.0.15, 10.0.0 through 10.0.15, and 9.0.0 through 9.4.52, an integer overflow in `MetaDataBuilder.checkSize` allows for HTTP/2 HPACK header values to\nexceed their size limit. `MetaDataBuilder.java` determines if a header name or value exceeds the size limit, and throws an exception if the limit is exceeded. However, when length is very large and huffman is true, the multiplication by 4 in line 295\nwill overflow, and length will become negative. `(_size+length)` will now be negative, and the check on line 296 will not be triggered. Furthermore, `MetaDataBuilder.checkSize` allows for user-entered HPACK header value sizes to be negative, potentially leading to a very large buffer allocation later on when the user-entered size is multiplied by 2. This means that if a user provides a negative length value (or, more precisely, a length value which, when multiplied by the 4/3 fudge factor, is negative), and this length value is a very large positive number when multiplied by 2, then the user can cause a very large buffer to be allocated on the server. Users of HTTP/2 can be impacted by a remote denial of service attack. The issue has been fixed in versions 11.0.16, 10.0.16, and 9.4.53. There are no known workarounds.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-36478.json","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-36478.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-36478","reference_id":"","reference_type":"","scores":[{"value":"0.01306","scoring_system":"epss","scoring_elements":"0.79851","published_at":"2026-04-29T12:55:00Z"},{"value":"0.01306","scoring_system":"epss","scoring_elements":"0.79835","published_at":"2026-04-26T12:55:00Z"},{"value":"0.01306","scoring_system":"epss","scoring_elements":"0.79828","published_at":"2026-04-24T12:55:00Z"},{"value":"0.01306","scoring_system":"epss","scoring_elements":"0.79799","published_at":"2026-04-21T12:55:00Z"},{"value":"0.01459","scoring_system":"epss","scoring_elements":"0.80831","published_at":"2026-04-08T12:55:00Z"},{"value":"0.01459","scoring_system":"epss","scoring_elements":"0.8084","published_at":"2026-04-09T12:55:00Z"},{"value":"0.01459","scoring_system":"epss","scoring_elements":"0.80856","published_at":"2026-04-11T12:55:00Z"},{"value":"0.01459","scoring_system":"epss","scoring_elements":"0.80841","published_at":"2026-04-12T12:55:00Z"},{"value":"0.01459","scoring_system":"epss","scoring_elements":"0.80871","published_at":"2026-04-16T12:55:00Z"},{"value":"0.01459","scoring_system":"epss","scoring_elements":"0.80834","published_at":"2026-04-13T12:55:00Z"},{"value":"0.01459","scoring_system":"epss","scoring_elements":"0.80873","published_at":"2026-04-18T12:55:00Z"},{"value":"0.01459","scoring_system":"epss","scoring_elements":"0.80786","published_at":"2026-04-02T12:55:00Z"},{"value":"0.01459","scoring_system":"epss","scoring_elements":"0.80807","published_at":"2026-04-04T12:55:00Z"},{"value":"0.01459","scoring_system":"epss","scoring_elements":"0.80804","published_at":"2026-04-07T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-36478"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-36478","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-36478"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/eclipse/jetty.project","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/eclipse/jetty.project"},{"reference_url":"https://github.com/eclipse/jetty.project/pull/9634","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/eclipse/jetty.project/pull/9634"},{"reference_url":"https://github.com/eclipse/jetty.project/releases/tag/jetty-10.0.16","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/eclipse/jetty.project/releases/tag/jetty-10.0.16"},{"reference_url":"https://github.com/eclipse/jetty.project/releases/tag/jetty-11.0.16","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/eclipse/jetty.project/releases/tag/jetty-11.0.16"},{"reference_url":"https://github.com/eclipse/jetty.project/releases/tag/jetty-9.4.53.v20231009","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/eclipse/jetty.project/releases/tag/jetty-9.4.53.v20231009"},{"reference_url":"https://github.com/jetty/jetty.project/security/advisories/GHSA-wgh7-54f2-x98r","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jetty/jetty.project/security/a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