{"id":"USN-8202-1","summary":"jq vulnerabilities","details":"It was discovered that jq did not correctly handle certain string\nconcatenations. An attacker could possibly use this issue to cause a denial\nof service or execute arbitrary code. This issue was addressed in Ubuntu\n16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu\n24.04 LTS and Ubuntu 25.10. (CVE-2026-32316)\n\nIt was discovered that jq did not correctly handle recursion in certain\ncircumstances. An attacker could possibly use this issue to cause a denial\nof service. (CVE-2026-33947)\n\nIt was discovered that jq did not correctly handle improperly terminated\nstrings. An attacker could possibly use this issue to cause a denial of\nservice or execute arbitrary code. This issue was addressed in Ubuntu 16.04\nLTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS\nand Ubuntu 25.10. (CVE-2026-33948)\n\nIt was discovered that jq did not correctly handle checking certain\nvariable types. An attacker could possibly use this issue to cause a denial\nof service or leak sensitive information. This issue was addressed in\nUbuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,\nUbuntu 24.04 LTS and Ubuntu 25.10. (CVE-2026-39956)\n\nIt was discovered that jq did not correctly handle certain string\nformatting. An attacker could possibly use this issue to leak sensitive\ninformation or cause a denial of service. (CVE-2026-39979)\n\nIt was discovered that jq used a fixed seed for hash table operations. An\nattacker could possibly use this issue to cause a denial of service. This\nissue was addressed in Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04\nLTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2026-40164)","modified":"2026-08-31T17:16:00.927762977Z","published":"2026-04-23T07:35:38Z","related":["UBUNTU-CVE-2026-32316","UBUNTU-CVE-2026-33947","UBUNTU-CVE-2026-33948","UBUNTU-CVE-2026-39956","UBUNTU-CVE-2026-39979","UBUNTU-CVE-2026-40164"],"upstream":["CVE-2026-32316","CVE-2026-33947","CVE-2026-33948","CVE-2026-39956","CVE-2026-39979","CVE-2026-40164","UBUNTU-CVE-2026-32316","UBUNTU-CVE-2026-33947","UBUNTU-CVE-2026-33948","UBUNTU-CVE-2026-39956","UBUNTU-CVE-2026-39979","UBUNTU-CVE-2026-40164"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8202-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-32316"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-33947"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-33948"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-39956"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-39979"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-40164"}],"affected":[{"package":{"name":"jq","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/jq?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3-1.1ubuntu1.1+esm4"}]}],"versions":["1.2-8","1.3-1","1.3-1.1ubuntu1","1.3-1.1ubuntu1.1","1.3-1.1ubuntu1.1+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"jq","binary_version":"1.3-1.1ubuntu1.1+esm4"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-33947"},{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-39979"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8202-1.json"}},{"package":{"name":"jq","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/jq?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5+dfsg-1ubuntu0.1+esm4"}]}],"versions":["1.4-2.1","1.5+dfsg-1","1.5+dfsg-1ubuntu0.1","1.5+dfsg-1ubuntu0.1+esm2","1.5+dfsg-1ubuntu0.1+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"jq","binary_version":"1.5+dfsg-1ubuntu0.1+esm4"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-32316"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-33947"},{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-33948"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-39956"},{"id":"CVE-2026-39979","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-40164"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8202-1.json"}},{"package":{"name":"jq","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/jq?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5+dfsg-2ubuntu0.1~esm2"}]}],"versions":["1.5+dfsg-2","1.5+dfsg-2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"jq","binary_version":"1.5+dfsg-2ubuntu0.1~esm2"},{"binary_name":"libjq1","binary_version":"1.5+dfsg-2ubuntu0.1~esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-32316"},{"id":"CVE-2026-33947","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-33948","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-39956","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-39979","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8202-1.json"}},{"package":{"name":"jq","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/jq?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6-1ubuntu0.20.04.1+esm2"}]}],"versions":["1.5+dfsg-2build1","1.6-1","1.6-1ubuntu0.20.04.1","1.6-1ubuntu0.20.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6-1ubuntu0.20.04.1+esm2","binary_name":"jq"},{"binary_name":"libjq1","binary_version":"1.6-1ubuntu0.20.04.1+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2026-32316","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-33947","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-33948","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-39956","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-39979"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-40164"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8202-1.json"}},{"package":{"name":"jq","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/jq?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6-2.1ubuntu3.2"}]}],"versions":["1.6-2.1ubuntu2","1.6-2.1ubuntu3","1.6-2.1ubuntu3.1"],"ecosystem_specific":{"availability":"No subscription 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subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-32316","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-33947"},{"severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-33948"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-39956"},{"id":"CVE-2026-39979","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-40164","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8202-1.json"}},{"package":{"name":"jq","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/jq?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1-3ubuntu1.1"}]}],"versions":["1.7.1-3ubuntu1","1.7.1-6ubuntu1","1.8.1-3ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"jq","binary_version":"1.8.1-3ubuntu1.1"},{"binary_version":"1.8.1-3ubuntu1.1","binary_name":"libjq1"}],"availability":"No subscription 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