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    14 vulnerabilities found for devalue by sveltejs

    CVE-2026-92708 (GCVE-0-2026-92708)

    Vulnerability from nvd – Published: 2026-09-18 19:54 – Updated: 2026-09-23 19:38
    VLAI
    Title
    devalue: Cross-request process memory disclosure in devalue when `stringify` / `uneval` serialize Node Buffers
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. In versions 5.1.0 through 5.9.2, stringify and uneval functions serialize a typed array by emitting its entire backing ArrayBuffer rather than only the view, so serializing a Node Buffer, whose backing store is a process-wide shared pool, discloses up to 64 KB of unrelated process memory, including bytes from other in-flight requests. In a server-side-rendered framework such as SvelteKit or Nuxt, a public page whose load() returns a small Buffer, or that reads a small file, can therefore ship another user's request body or Authorization header in its HTML without authentication. Because this occurs during serialization, it fires on every such render and is not mitigated by the parse/unflatten prototype-pollution and denial-of-service guards, which only apply when parsing untrusted input. As a workaround, convert Node Buffer objects to Uint8Array before serialization. This issue has been fixed in version 5.9.3.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-23 19:38 UTC
    CWE
    • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
    • CWE-226 - Sensitive Information in Resource Not Removed Before Reuse
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: >= 5.1.0, < 5.9.3
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-81176 (GCVE-0-2026-81176)

    Vulnerability from nvd – Published: 2026-09-16 18:34 – Updated: 2026-09-17 19:25
    VLAI
    Title
    Svelte devalue: DoS via malformed input
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. Prior to 5.9.2, devalue.parse does not reject out-of-bounds indices that are greater than or equal to values.length in src/parse.js. A specially crafted untrusted payload can make the parser alternate between array representations, producing quadratic work as the payload grows and causing denial of service in applications that parse untrusted devalue data. This issue is fixed in version 5.9.2.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 17:06 UTC
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: < 5.9.2
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-42570 (GCVE-0-2026-42570)

    Vulnerability from nvd – Published: 2026-06-09 16:12 – Updated: 2026-08-24 12:07
    VLAI
    Title
    Svelte devalue: DoS via sparse array deserialization
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From version 5.6.3 to before version 5.8.1, devalue.parse could, due to quirks in some JavaScript engines, be convinced to allocate much more memory than was needed when deserializing sparse arrays, leading to excessive memory consumption. This issue has been patched in version 5.8.1.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-09 18:06 UTC
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: >= 5.6.3, < 5.8.1
    Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:1.1.2-1.el10_2 , < * (rpm)
        cpe:/o:redhat:enterprise_linux:10.2
    Create a notification for this product.
    Red Hat Red Hat Trusted Artifact Signer 1.4 Unaffected: 1783327185 , < * (rpm)
        cpe:/a:redhat:trusted_artifact_signer:1.4::el9
    Create a notification for this product.
    Red Hat Red Hat Build of Podman Desktop     cpe:/a:redhat:podman_desktop:1
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-30226 (GCVE-0-2026-30226)

    Vulnerability from nvd – Published: 2026-03-11 17:47 – Updated: 2026-03-12 13:51
    VLAI
    Title
    devalue has prototype pollution in devalue.parse and devalue.unflatten
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. In devalue v5.6.3 and earlier, devalue.parse and devalue.unflatten were susceptible to prototype pollution via maliciously crafted payloads. Successful exploitation could lead to Denial of Service (DoS) or type confusion. This vulnerability is fixed in 5.6.4.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-12 13:51 UTC
    CWE
    • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: < 5.6.4
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-22775 (GCVE-0-2026-22775)

    Vulnerability from nvd – Published: 2026-01-15 18:59 – Updated: 2026-07-15 01:19
    VLAI
    Title
    devalue vulnerable to denial of service due to memory/CPU exhaustion in devalue.parse
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From 5.1.0 to 5.6.1, certain inputs can cause devalue.parse to consume excessive CPU time and/or memory, potentially leading to denial of service in systems that parse input from untrusted sources. This affects applications using devalue.parse on externally-supplied data. The root cause is the ArrayBuffer hydration expecting base64 encoded strings as input, but not checking the assumption before decoding the input. This vulnerability is fixed in 5.6.2.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-01-15 19:22 UTC
    CWE
    • CWE-405 - Asymmetric Resource Consumption (Amplification)
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: >= 5.1.0, < 5.6.2
    Create a notification for this product.
    Red Hat Red Hat Trusted Artifact Signer 1.2 Unaffected: 1770739056 , < * (rpm)
        cpe:/a:redhat:trusted_artifact_signer:1.2::el9
    Create a notification for this product.
    Red Hat Red Hat Trusted Artifact Signer 1.3 Unaffected: 1770107452 , < * (rpm)
        cpe:/a:redhat:trusted_artifact_signer:1.3::el9
    Create a notification for this product.
    Red Hat Red Hat Build of Podman Desktop - Tech Preview     cpe:/a:redhat:podman_desktop:0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-22774 (GCVE-0-2026-22774)

    Vulnerability from nvd – Published: 2026-01-15 18:53 – Updated: 2026-07-15 01:19
    VLAI
    Title
    devalue vulnerable to denial of service due to memory exhaustion in devalue.parse
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From 5.3.0 to 5.6.1, certain inputs can cause devalue.parse to consume excessive CPU time and/or memory, potentially leading to denial of service in systems that parse input from untrusted sources. This affects applications using devalue.parse on externally-supplied data. The root cause is the typed array hydration expecting an ArrayBuffer as input, but not checking the assumption before creating the typed array. This vulnerability is fixed in 5.6.2.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-01-15 19:16 UTC
    CWE
    • CWE-405 - Asymmetric Resource Consumption (Amplification)
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: >= 5.3.0, < 5.6.2
    Create a notification for this product.
    Red Hat Red Hat Trusted Artifact Signer 1.2 Unaffected: 1770739056 , < * (rpm)
        cpe:/a:redhat:trusted_artifact_signer:1.2::el9
    Create a notification for this product.
    Red Hat Red Hat Trusted Artifact Signer 1.3 Unaffected: 1770107452 , < * (rpm)
        cpe:/a:redhat:trusted_artifact_signer:1.3::el9
    Create a notification for this product.
    Red Hat Red Hat Build of Podman Desktop - Tech Preview     cpe:/a:redhat:podman_desktop:0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-57820 (GCVE-0-2025-57820)

    Vulnerability from nvd – Published: 2025-08-26 22:33 – Updated: 2025-08-27 20:42
    VLAI
    Title
    Svelte devalue vulnerable to prototype pollution
    Summary
    Svelte devalue is a utility library. Prior to version 5.3.2, a string passed to devalue.parse could represent an object with a __proto__ property and devalue.parse does not check that an index is numeric. This could result in assigning prototypes to objects and properties, leading to prototype pollution. This issue has been fixed in version 5.3.2
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-08-27 20:42 UTC
    CWE
    • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: < 5.3.2
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-92708 (GCVE-0-2026-92708)

    Vulnerability from cvelistv5 – Published: 2026-09-18 19:54 – Updated: 2026-09-23 19:38
    VLAI
    Title
    devalue: Cross-request process memory disclosure in devalue when `stringify` / `uneval` serialize Node Buffers
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. In versions 5.1.0 through 5.9.2, stringify and uneval functions serialize a typed array by emitting its entire backing ArrayBuffer rather than only the view, so serializing a Node Buffer, whose backing store is a process-wide shared pool, discloses up to 64 KB of unrelated process memory, including bytes from other in-flight requests. In a server-side-rendered framework such as SvelteKit or Nuxt, a public page whose load() returns a small Buffer, or that reads a small file, can therefore ship another user's request body or Authorization header in its HTML without authentication. Because this occurs during serialization, it fires on every such render and is not mitigated by the parse/unflatten prototype-pollution and denial-of-service guards, which only apply when parsing untrusted input. As a workaround, convert Node Buffer objects to Uint8Array before serialization. This issue has been fixed in version 5.9.3.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-23 19:38 UTC
    CWE
    • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
    • CWE-226 - Sensitive Information in Resource Not Removed Before Reuse
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: >= 5.1.0, < 5.9.3
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-81176 (GCVE-0-2026-81176)

    Vulnerability from cvelistv5 – Published: 2026-09-16 18:34 – Updated: 2026-09-17 19:25
    VLAI
    Title
    Svelte devalue: DoS via malformed input
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. Prior to 5.9.2, devalue.parse does not reject out-of-bounds indices that are greater than or equal to values.length in src/parse.js. A specially crafted untrusted payload can make the parser alternate between array representations, producing quadratic work as the payload grows and causing denial of service in applications that parse untrusted devalue data. This issue is fixed in version 5.9.2.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 17:06 UTC
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: < 5.9.2
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-42570 (GCVE-0-2026-42570)

    Vulnerability from cvelistv5 – Published: 2026-06-09 16:12 – Updated: 2026-08-24 12:07
    VLAI
    Title
    Svelte devalue: DoS via sparse array deserialization
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From version 5.6.3 to before version 5.8.1, devalue.parse could, due to quirks in some JavaScript engines, be convinced to allocate much more memory than was needed when deserializing sparse arrays, leading to excessive memory consumption. This issue has been patched in version 5.8.1.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-09 18:06 UTC
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: >= 5.6.3, < 5.8.1
    Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:1.1.2-1.el10_2 , < * (rpm)
        cpe:/o:redhat:enterprise_linux:10.2
    Create a notification for this product.
    Red Hat Red Hat Trusted Artifact Signer 1.4 Unaffected: 1783327185 , < * (rpm)
        cpe:/a:redhat:trusted_artifact_signer:1.4::el9
    Create a notification for this product.
    Red Hat Red Hat Build of Podman Desktop     cpe:/a:redhat:podman_desktop:1
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-30226 (GCVE-0-2026-30226)

    Vulnerability from cvelistv5 – Published: 2026-03-11 17:47 – Updated: 2026-03-12 13:51
    VLAI
    Title
    devalue has prototype pollution in devalue.parse and devalue.unflatten
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. In devalue v5.6.3 and earlier, devalue.parse and devalue.unflatten were susceptible to prototype pollution via maliciously crafted payloads. Successful exploitation could lead to Denial of Service (DoS) or type confusion. This vulnerability is fixed in 5.6.4.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-12 13:51 UTC
    CWE
    • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: < 5.6.4
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-22775 (GCVE-0-2026-22775)

    Vulnerability from cvelistv5 – Published: 2026-01-15 18:59 – Updated: 2026-07-15 01:19
    VLAI
    Title
    devalue vulnerable to denial of service due to memory/CPU exhaustion in devalue.parse
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From 5.1.0 to 5.6.1, certain inputs can cause devalue.parse to consume excessive CPU time and/or memory, potentially leading to denial of service in systems that parse input from untrusted sources. This affects applications using devalue.parse on externally-supplied data. The root cause is the ArrayBuffer hydration expecting base64 encoded strings as input, but not checking the assumption before decoding the input. This vulnerability is fixed in 5.6.2.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-01-15 19:22 UTC
    CWE
    • CWE-405 - Asymmetric Resource Consumption (Amplification)
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: >= 5.1.0, < 5.6.2
    Create a notification for this product.
    Red Hat Red Hat Trusted Artifact Signer 1.2 Unaffected: 1770739056 , < * (rpm)
        cpe:/a:redhat:trusted_artifact_signer:1.2::el9
    Create a notification for this product.
    Red Hat Red Hat Trusted Artifact Signer 1.3 Unaffected: 1770107452 , < * (rpm)
        cpe:/a:redhat:trusted_artifact_signer:1.3::el9
    Create a notification for this product.
    Red Hat Red Hat Build of Podman Desktop - Tech Preview     cpe:/a:redhat:podman_desktop:0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-22774 (GCVE-0-2026-22774)

    Vulnerability from cvelistv5 – Published: 2026-01-15 18:53 – Updated: 2026-07-15 01:19
    VLAI
    Title
    devalue vulnerable to denial of service due to memory exhaustion in devalue.parse
    Summary
    Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From 5.3.0 to 5.6.1, certain inputs can cause devalue.parse to consume excessive CPU time and/or memory, potentially leading to denial of service in systems that parse input from untrusted sources. This affects applications using devalue.parse on externally-supplied data. The root cause is the typed array hydration expecting an ArrayBuffer as input, but not checking the assumption before creating the typed array. This vulnerability is fixed in 5.6.2.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-01-15 19:16 UTC
    CWE
    • CWE-405 - Asymmetric Resource Consumption (Amplification)
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: >= 5.3.0, < 5.6.2
    Create a notification for this product.
    Red Hat Red Hat Trusted Artifact Signer 1.2 Unaffected: 1770739056 , < * (rpm)
        cpe:/a:redhat:trusted_artifact_signer:1.2::el9
    Create a notification for this product.
    Red Hat Red Hat Trusted Artifact Signer 1.3 Unaffected: 1770107452 , < * (rpm)
        cpe:/a:redhat:trusted_artifact_signer:1.3::el9
    Create a notification for this product.
    Red Hat Red Hat Build of Podman Desktop - Tech Preview     cpe:/a:redhat:podman_desktop:0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-57820 (GCVE-0-2025-57820)

    Vulnerability from cvelistv5 – Published: 2025-08-26 22:33 – Updated: 2025-08-27 20:42
    VLAI
    Title
    Svelte devalue vulnerable to prototype pollution
    Summary
    Svelte devalue is a utility library. Prior to version 5.3.2, a string passed to devalue.parse could represent an object with a __proto__ property and devalue.parse does not check that an index is numeric. This could result in assigning prototypes to objects and properties, leading to prototype pollution. This issue has been fixed in version 5.3.2
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-08-27 20:42 UTC
    CWE
    • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7616 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    sveltejs devalue Affected: < 5.3.2
    Create a notification for this product.
    Show details on NVD website

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