{"id":"CVE-2026-42338","title":"ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript","summary":"ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.1.1, Address6.group() and Address6.link() do not HTML-escape attacker-controlled content before embedding it in the HTML strings they…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"beaugunderson","product":"ip-address","affected":["ip-address < 10.1.1"],"patched":["ip-address 10.1.1"],"published":"2026-05-12","updated":"2026-09-11","sourceUpdated":"2026-09-11T13:17:59.167","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-42338","references":[{"url":"https://github.com/beaugunderson/ip-address/security/advisories/GHSA-v2v4-37r5-5v8g","label":"security-advisories@github.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:33155","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:33160","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:33163","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:33173","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:33183","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:33574","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:34374","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:35841","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:35842","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:35891","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:35892","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:36754","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:36820","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:39246","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:39868","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:41928","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:41947","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:44237","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:44263","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:44267","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:51200","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:52399","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:56928","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:57590","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:60520","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:62335","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:62336","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:65126","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:66488","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:66545","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-42338","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2476810","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://github.com/beaugunderson/ip-address/security/advisories/GHSA-v2v4-37r5-5v8g","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42338.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-42338"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42338"}],"tags":["nvd","cve.org","exploit-available","csaf","vex","red-hat","score-dispute"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-05-13T14:46:11.633277Z"},"scores":{"nvd":6.1,"cna":5.3,"vendor":8.1},"epss":0.00471,"epssPercentile":0.39891,"ingestedAt":"2026-07-01T15:50:58.833Z","slug":"CVE-2026-42338","body":"## Overview\n\nip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.1.1, Address6.group() and Address6.link() do not HTML-escape attacker-controlled content before embedding it in the HTML strings they return, and AddressError.parseMessage (emitted by the Address6 constructor for invalid input) can contain unescaped attacker-controlled content in one branch. An application that (1) passes untrusted input to Address6 and (2) renders the output of these methods, or the thrown error's parseMessage, as HTML (e.g. via innerHTML) is vulnerable to cross-site scripting. This vulnerability is fixed in 10.1.1.\n\n## Affected\n\n- `ip-address < 10.1.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ip-address 10.1.1`\n\n## Vendor advisories\n\n- **RHSA-2026:39246** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0) · released 2026-07-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:39246)\n- **RHSA-2026:35842** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-07-06 · [advisory](https://access.redhat.com/errata/RHSA-2026:35842)\n- **RHSA-2026:35841** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-07-06 · [advisory](https://access.redhat.com/errata/RHSA-2026:35841)\n- **RHSA-2026:41947** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-07-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:41947)\n- **RHSA-2026:39868** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-07-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:39868)\n- **RHSA-2026:52399** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v.9.6) · released 2026-08-10 · [advisory](https://access.redhat.com/errata/RHSA-2026:52399)\n- **RHSA-2026:35892** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-07-06 · [advisory](https://access.redhat.com/errata/RHSA-2026:35892)\n- **RHSA-2026:35891** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-07-06 · [advisory](https://access.redhat.com/errata/RHSA-2026:35891)\n- **RHSA-2026:57590** · Red Hat · fixed in: Red Hat Enterprise Linux Extensions Channel (v. 10) · released 2026-08-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:57590)\n- **RHSA-2026:34374** · Red Hat · fixed in: Red Hat Ansible Automation Platform 2.6 · released 2026-07-01 · [advisory](https://access.redhat.com/errata/RHSA-2026:34374)\n- **RHSA-2026:36754** · Red Hat · fixed in: Red Hat Developer Hub 1.10 · released 2026-07-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:36754)\n- **Red Hat VEX** · Important · affected: Confidential Compute Attestation, Exploit Intelligence, Multicluster Engine for Kubernetes, OpenShift Pipelines, Red Hat build of Apache Camel - HawtIO 4, Red Hat Build of Podman Desktop, … · no fix planned: Confidential Compute Attestation, Multicluster Engine for Kubernetes, Red Hat build of Apache Camel - HawtIO 4, Red Hat Build of Podman Desktop - Tech Preview, … · updated 2026-09-10 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42338.json)\n- **RHSA-2026:66545** · Red Hat · fixed in: Red Hat AMQ Broker 7.13.6 · released 2026-09-10 · [advisory](https://access.redhat.com/errata/RHSA-2026:66545)\n- **RHSA-2026:66488** · Red Hat · fixed in: Red Hat AMQ Broker 7.14.1 · released 2026-09-10 · [advisory](https://access.redhat.com/errata/RHSA-2026:66488)","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":33.6,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":201640,"id":"CVE-2026-42338","ts":1789399580449,"field":"exploit_available","old":"false","new":"true"},{"seq":200372,"id":"CVE-2026-42338","ts":1789397177675,"field":"exploit_available","old":"true","new":"false"},{"seq":198296,"id":"CVE-2026-42338","ts":1789391807658,"field":"exploit_available","old":"false","new":"true"},{"seq":196089,"id":"CVE-2026-42338","ts":1789383453282,"field":"exploit_available","old":"true","new":"false"},{"seq":195018,"id":"CVE-2026-42338","ts":1789380350906,"field":"exploit_available","old":"false","new":"true"},{"seq":193805,"id":"CVE-2026-42338","ts":1789378319166,"field":"exploit_available","old":"true","new":"false"},{"seq":192592,"id":"CVE-2026-42338","ts":1789376296489,"field":"exploit_available","old":"false","new":"true"},{"seq":191379,"id":"CVE-2026-42338","ts":1789373208621,"field":"exploit_available","old":"true","new":"false"},{"seq":190164,"id":"CVE-2026-42338","ts":1789369189307,"field":"exploit_available","old":"false","new":"true"},{"seq":188951,"id":"CVE-2026-42338","ts":1789368070807,"field":"exploit_available","old":"true","new":"false"},{"seq":187734,"id":"CVE-2026-42338","ts":1789365045703,"field":"exploit_available","old":"false","new":"true"},{"seq":186521,"id":"CVE-2026-42338","ts":1789363063818,"field":"exploit_available","old":"true","new":"false"},{"seq":185307,"id":"CVE-2026-42338","ts":1789361003205,"field":"exploit_available","old":"false","new":"true"},{"seq":184094,"id":"CVE-2026-42338","ts":1789357991340,"field":"exploit_available","old":"true","new":"false"},{"seq":182346,"id":"CVE-2026-42338","ts":1789354142642,"field":"exploit_available","old":"false","new":"true"},{"seq":181139,"id":"CVE-2026-42338","ts":1789352987689,"field":"exploit_available","old":"true","new":"false"},{"seq":179932,"id":"CVE-2026-42338","ts":1789350052509,"field":"exploit_available","old":"false","new":"true"},{"seq":178725,"id":"CVE-2026-42338","ts":1789347903863,"field":"exploit_available","old":"true","new":"false"},{"seq":177518,"id":"CVE-2026-42338","ts":1789346205492,"field":"exploit_available","old":"false","new":"true"},{"seq":176311,"id":"CVE-2026-42338","ts":1789342808056,"field":"exploit_available","old":"true","new":"false"},{"seq":175765,"id":"CVE-2026-42338","ts":1789338593593,"field":"exploit_available","old":"false","new":"true"},{"seq":175635,"id":"CVE-2026-42338","ts":1789338433202,"field":"exploit_available","old":"true","new":"false"},{"seq":174430,"id":"CVE-2026-42338","ts":1789334637797,"field":"exploit_available","old":"false","new":"true"},{"seq":173225,"id":"CVE-2026-42338","ts":1789333301435,"field":"exploit_available","old":"true","new":"false"},{"seq":172039,"id":"CVE-2026-42338","ts":1789330926058,"field":"exploit_available","old":"false","new":"true"},{"seq":170853,"id":"CVE-2026-42338","ts":1789328431419,"field":"exploit_available","old":"true","new":"false"},{"seq":169648,"id":"CVE-2026-42338","ts":1789326949833,"field":"exploit_available","old":"false","new":"true"},{"seq":168443,"id":"CVE-2026-42338","ts":1789323501454,"field":"exploit_available","old":"true","new":"false"},{"seq":167238,"id":"CVE-2026-42338","ts":1789319409346,"field":"exploit_available","old":"false","new":"true"},{"seq":166033,"id":"CVE-2026-42338","ts":1789318358997,"field":"exploit_available","old":"true","new":"false"},{"seq":164828,"id":"CVE-2026-42338","ts":1789315584021,"field":"exploit_available","old":"false","new":"true"},{"seq":163623,"id":"CVE-2026-42338","ts":1789313300726,"field":"exploit_available","old":"true","new":"false"},{"seq":162418,"id":"CVE-2026-42338","ts":1789311737396,"field":"exploit_available","old":"false","new":"true"},{"seq":161213,"id":"CVE-2026-42338","ts":1789308324229,"field":"exploit_available","old":"true","new":"false"},{"seq":160718,"id":"CVE-2026-42338","ts":1789304252782,"field":"exploit_available","old":"false","new":"true"},{"seq":158556,"id":"CVE-2026-42338","ts":1789299338675,"field":"exploit_available","old":"true","new":"false"},{"seq":157520,"id":"CVE-2026-42338","ts":1789296489872,"field":"exploit_available","old":"false","new":"true"},{"seq":156315,"id":"CVE-2026-42338","ts":1789294428931,"field":"exploit_available","old":"true","new":"false"},{"seq":155110,"id":"CVE-2026-42338","ts":1789292685623,"field":"exploit_available","old":"false","new":"true"},{"seq":153905,"id":"CVE-2026-42338","ts":1789289411804,"field":"exploit_available","old":"true","new":"false"},{"seq":152555,"id":"CVE-2026-42338","ts":1789281300999,"field":"exploit_available","old":"false","new":"true"},{"seq":148051,"id":"CVE-2026-42338","ts":1789270925104,"field":"exploit_available","old":"true","new":"false"},{"seq":146091,"id":"CVE-2026-42338","ts":1789269198818,"field":"exploit_available","old":"false","new":"true"},{"seq":144994,"id":"CVE-2026-42338"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