{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "Copyright © Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-77422.json" } ], "title": "org.jline/jline: JLine: Denial of Service via regular expression processing in built-in grep command", "tracking": { "current_release_date": "2026-10-02T17:02:06+00:00", "generator": { "date": "2026-10-02T17:02:06+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.4.0" } }, "id": "CVE-2026-77422", "initial_release_date": 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"product_family", "name": "Red Hat OpenShift AI (RHOAI)" }, { "branches": [ { "category": "product_name", "name": "Red Hat OpenStack Platform 13 (Queens)", "product": { "name": "Red Hat OpenStack Platform 13 (Queens)", "product_id": "red_hat_openstack_platform_13_(queens)", "product_identification_helper": { "cpe": "cpe:/a:redhat:openstack:13" } } } ], "category": "product_family", "name": "Red Hat OpenStack Platform 13 (Queens)" }, { "category": "product_version", "name": "jline", "product": { "name": "jline", "product_id": "jline", "product_identification_helper": { "purl": "pkg:maven/org.jline/jline@3.22.0" } } }, { "category": "product_version", "name": "rhoai/odh-spark-operator-rhel9", "product": { "name": "rhoai/odh-spark-operator-rhel9", "product_id": "rhoai/odh-spark-operator-rhel9", "product_identification_helper": { "purl": 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"relates_to_product_reference": "red_hat_openshift_ai_(rhoai)" }, { "category": "default_component_of", "full_product_name": { "name": "rhoai/odh-th-torch-cuda-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI)", "product_id": "red_hat_openshift_ai_(rhoai):rhoai/odh-th-torch-cuda-py312-rhel9" }, "product_reference": "rhoai/odh-th-torch-cuda-py312-rhel9", "relates_to_product_reference": "red_hat_openshift_ai_(rhoai)" }, { "category": "default_component_of", "full_product_name": { "name": "rhoai/odh-th06-cpu-torch210-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI)", "product_id": "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cpu-torch210-py312-rhel9" }, "product_reference": "rhoai/odh-th06-cpu-torch210-py312-rhel9", "relates_to_product_reference": "red_hat_openshift_ai_(rhoai)" }, { "category": "default_component_of", "full_product_name": { "name": "rhoai/odh-th06-cpu-torch291-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI)", "product_id": 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"default_component_of", "full_product_name": { "name": "rhoai/odh-th06-rocm64-torch291-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI)", "product_id": "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-rocm64-torch291-py312-rhel9" }, "product_reference": "rhoai/odh-th06-rocm64-torch291-py312-rhel9", "relates_to_product_reference": "red_hat_openshift_ai_(rhoai)" }, { "category": "default_component_of", "full_product_name": { "name": "opendaylight as a component of Red Hat OpenStack Platform 13 (Queens)", "product_id": "red_hat_openstack_platform_13_(queens):opendaylight" }, "product_reference": "opendaylight", "relates_to_product_reference": "red_hat_openstack_platform_13_(queens)" }, { "category": "default_component_of", "full_product_name": { "name": "opendaylight.src as a component of Red Hat OpenStack Platform 13 (Queens)", "product_id": "red_hat_openstack_platform_13_(queens):opendaylight.src" }, "product_reference": "opendaylight.src", "relates_to_product_reference": "red_hat_openstack_platform_13_(queens)" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-77422", "cwe": { "id": "CWE-1333", "name": "Inefficient Regular Expression Complexity" }, "discovery_date": "2026-09-23T18:24:11.004931+00:00", "flags": [ { "label": "vulnerable_code_not_in_execute_path", "product_ids": [ "red_hat_openshift_ai_(rhoai):rhoai/odh-th-torch-cpu-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th-torch-cuda-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cpu-torch210-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cuda130-torch210-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-rocm64-torch291-py312-rhel9" ] }, { "label": "component_not_present", "product_ids": [ "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cpu-torch291-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cuda130-torch291-py312-rhel9" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2539620" } ], "notes": [ { "category": "description", "text": "A flaw was found in JLine, a Java library for handling console input. The built-in grep command accepts user-controlled regular expressions and automatically wraps them, which can amplify backtracking in the regular expression engine. A remote attacker could exploit this by providing a specially crafted regular expression, leading to excessive CPU consumption and indefinitely blocking a command worker. This can result in a Denial of Service (DoS) for affected systems.", "title": "Vulnerability description" }, { "category": "summary", "text": "org.jline/jline: JLine: Denial of Service via regular expression processing in built-in grep command", "title": "Vulnerability summary" }, { "category": "other", "text": "This is an Important denial of service flaw in the JLine library's built-in `grep` command. An attacker could provide a specially crafted regular expression, leading to excessive CPU consumption due to amplified backtracking in the regular expression engine. This could indefinitely block command workers, potentially resulting in a remote denial of service in applications that expose JLine's console input functionality, especially in remotely accessible shell sessions.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "known_affected": [ "red_hat_fuse_7:jline", "red_hat_openshift_ai_(rhoai):rhoai/odh-spark-operator-rhel9", "red_hat_openstack_platform_13_(queens):opendaylight", "red_hat_openstack_platform_13_(queens):opendaylight.src" ], "known_not_affected": [ "red_hat_openshift_ai_(rhoai):rhoai/odh-th-torch-cpu-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th-torch-cuda-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cpu-torch210-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cpu-torch291-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cuda130-torch210-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cuda130-torch291-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-rocm64-torch291-py312-rhel9" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-77422" }, { "category": "external", "summary": "RHBZ#2539620", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2539620" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-77422", "url": "https://www.cve.org/CVERecord?id=CVE-2026-77422" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-77422", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77422" }, { "category": "external", "summary": "https://github.com/jline/jline3/commit/1d5fc3099e77938b971e197211cad2d4fbb17541", "url": "https://github.com/jline/jline3/commit/1d5fc3099e77938b971e197211cad2d4fbb17541" }, { "category": "external", "summary": "https://github.com/jline/jline3/commit/341ee69ccc57b7733c1b40d6993219b64b3206ae", "url": "https://github.com/jline/jline3/commit/341ee69ccc57b7733c1b40d6993219b64b3206ae" }, { "category": "external", "summary": "https://github.com/jline/jline3/pull/2012", "url": "https://github.com/jline/jline3/pull/2012" }, { "category": "external", "summary": "https://github.com/jline/jline3/pull/2018", "url": "https://github.com/jline/jline3/pull/2018" }, { "category": "external", "summary": "https://github.com/jline/jline3/releases/tag/4.3.1", "url": "https://github.com/jline/jline3/releases/tag/4.3.1" }, { "category": "external", "summary": "https://github.com/jline/jline3/releases/tag/jline-3.30.15", "url": "https://github.com/jline/jline3/releases/tag/jline-3.30.15" }, { "category": "external", "summary": "https://github.com/jline/jline3/security/advisories/GHSA-r2xf-8xr9-62gw", "url": "https://github.com/jline/jline3/security/advisories/GHSA-r2xf-8xr9-62gw" } ], "release_date": "2026-09-23T18:09:32.308000+00:00", "remediations": [ { "category": "workaround", "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.", "product_ids": [ "red_hat_fuse_7:jline", "red_hat_openshift_ai_(rhoai):rhoai/odh-spark-operator-rhel9", "red_hat_openstack_platform_13_(queens):opendaylight", "red_hat_openstack_platform_13_(queens):opendaylight.src" ] }, { "category": "no_fix_planned", "details": "Out of support scope", "product_ids": [ "red_hat_fuse_7:jline" ] }, { "category": "no_fix_planned", "details": "Will not fix", "product_ids": [ "red_hat_openstack_platform_13_(queens):opendaylight", "red_hat_openstack_platform_13_(queens):opendaylight.src" ] }, { "category": "none_available", "details": "Affected", "product_ids": [ "red_hat_openshift_ai_(rhoai):rhoai/odh-spark-operator-rhel9" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "red_hat_fuse_7:jline", "red_hat_openshift_ai_(rhoai):rhoai/odh-spark-operator-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th-torch-cpu-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th-torch-cuda-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cpu-torch210-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cpu-torch291-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cuda130-torch210-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cuda130-torch291-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-rocm64-torch291-py312-rhel9", "red_hat_openstack_platform_13_(queens):opendaylight", "red_hat_openstack_platform_13_(queens):opendaylight.src" ] } ], "threats": [ { "category": "impact", "details": "Important", "product_ids": [ "red_hat_fuse_7:jline", "red_hat_openshift_ai_(rhoai):rhoai/odh-spark-operator-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th-torch-cpu-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th-torch-cuda-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cpu-torch210-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cpu-torch291-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cuda130-torch210-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-cuda130-torch291-py312-rhel9", "red_hat_openshift_ai_(rhoai):rhoai/odh-th06-rocm64-torch291-py312-rhel9", "red_hat_openstack_platform_13_(queens):opendaylight", "red_hat_openstack_platform_13_(queens):opendaylight.src" ] } ], "title": "org.jline/jline: JLine: Denial of Service via regular expression processing in built-in grep command" } ] }