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      lang: "en",
      notes: [
         {
            category: "summary",
            text: "An update for python-jinja2 is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
            title: "Topic",
         },
         {
            category: "general",
            text: "Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.\n\nSecurity Fix(es):\n\n* jinja2: Jinja sandbox breakout through attr filter selecting format method (CVE-2025-27516)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
            title: "Details",
         },
         {
            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",
         },
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         issuing_authority: "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
         name: "Red Hat Product Security",
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      references: [
         {
            category: "self",
            summary: "https://access.redhat.com/errata/RHSA-2025:3388",
            url: "https://access.redhat.com/errata/RHSA-2025:3388",
         },
         {
            category: "external",
            summary: "https://access.redhat.com/security/updates/classification/#important",
            url: "https://access.redhat.com/security/updates/classification/#important",
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            summary: "2350190",
            url: "https://bugzilla.redhat.com/show_bug.cgi?id=2350190",
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            summary: "Canonical URL",
            url: "https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_3388.json",
         },
      ],
      title: "Red Hat Security Advisory: python-jinja2 security update",
      tracking: {
         current_release_date: "2025-04-03T15:22:16+00:00",
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         id: "RHSA-2025:3388",
         initial_release_date: "2025-03-31T02:09:23+00:00",
         revision_history: [
            {
               date: "2025-03-31T02:09:23+00:00",
               number: "1",
               summary: "Initial version",
            },
            {
               date: "2025-03-31T02:09:23+00:00",
               number: "2",
               summary: "Last updated version",
            },
            {
               date: "2025-04-03T15:22:16+00:00",
               number: "3",
               summary: "Last generated version",
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         status: "final",
         version: "3",
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                        name: "Red Hat Enterprise Linux AppStream (v. 8)",
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   vulnerabilities: [
      {
         cve: "CVE-2025-27516",
         cwe: {
            id: "CWE-1336",
            name: "Improper Neutralization of Special Elements Used in a Template Engine",
         },
         discovery_date: "2025-03-05T21:01:07.674606+00:00",
         ids: [
            {
               system_name: "Red Hat Bugzilla ID",
               text: "2350190",
            },
         ],
         notes: [
            {
               category: "description",
               text: "A flaw was found in Jinja. In affected versions, an oversight in how the Jinja sandboxed environment interacts with the `|attr` filter allows an attacker who controls the content of a template to execute arbitrary Python code. To exploit the vulnerability, an attacker needs to control the content of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications that execute untrusted templates. Jinja's sandbox does catch calls to `str.format` and ensures they don't escape the sandbox. However, it's possible to use the `|attr` filter to get a reference to a string's plain format method, bypassing the sandbox.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "jinja2: Jinja sandbox breakout through attr filter selecting format method",
               title: "Vulnerability summary",
            },
            {
               category: "other",
               text: "This vulnerability is rated as important severity due to the potential for an attacker to bypass Jinja's sandbox by exploiting the |attr filter, by controlling template content, an attacker can execute arbitrary Python code, impacting the integrity, confidentiality, and availability of the system. While the attack requires user interaction to trigger untrusted templates, the risk is significant in applications that allow such templates to be executed.",
               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: {
            fixed: [
               "AppStream-8.10.0.Z.MAIN.EUS:python-jinja2-0:2.10.1-7.el8_10.src",
               "AppStream-8.10.0.Z.MAIN.EUS:python3-jinja2-0:2.10.1-7.el8_10.noarch",
            ],
         },
         references: [
            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2025-27516",
            },
            {
               category: "external",
               summary: "RHBZ#2350190",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=2350190",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2025-27516",
               url: "https://www.cve.org/CVERecord?id=CVE-2025-27516",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2025-27516",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2025-27516",
            },
            {
               category: "external",
               summary: "https://github.com/pallets/jinja/commit/90457bbf33b8662926ae65cdde4c4c32e756e403",
               url: "https://github.com/pallets/jinja/commit/90457bbf33b8662926ae65cdde4c4c32e756e403",
            },
            {
               category: "external",
               summary: "https://github.com/pallets/jinja/security/advisories/GHSA-cpwx-vrp4-4pq7",
               url: "https://github.com/pallets/jinja/security/advisories/GHSA-cpwx-vrp4-4pq7",
            },
         ],
         release_date: "2025-03-05T20:40:06.568000+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2025-03-31T02:09:23+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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                  "AppStream-8.10.0.Z.MAIN.EUS:python-jinja2-0:2.10.1-7.el8_10.src",
                  "AppStream-8.10.0.Z.MAIN.EUS:python3-jinja2-0:2.10.1-7.el8_10.noarch",
               ],
               restart_required: {
                  category: "none",
               },
               url: "https://access.redhat.com/errata/RHSA-2025:3388",
            },
         ],
         scores: [
            {
               cvss_v3: {
                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 7.3,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "LOW",
                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
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                  "AppStream-8.10.0.Z.MAIN.EUS:python-jinja2-0:2.10.1-7.el8_10.src",
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               ],
            },
         ],
         threats: [
            {
               category: "impact",
               details: "Important",
            },
         ],
         title: "jinja2: Jinja sandbox breakout through attr filter selecting format method",
      },
   ],
}