{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45305", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-11T20:14:43.202Z", "datePublished": "2026-07-14T18:50:14.830Z", "dateUpdated": "2026-07-15T14:03:58.116Z"}, "containers": {"cna": {"title": "Symfony: YAML Parser ReDoS via Catastrophic Backtracking in Parser::cleanup() Regex", "problemTypes": [{"descriptions": [{"cweId": "CWE-1333", "lang": "en", "description": "CWE-1333: Inefficient Regular Expression Complexity", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/symfony/symfony/security/advisories/GHSA-9frc-8383-795m", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/symfony/symfony/security/advisories/GHSA-9frc-8383-795m"}, {"name": "https://github.com/symfony/symfony/commit/9749cd43c5e09b3735093623670b21b9d8a056cb", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/commit/9749cd43c5e09b3735093623670b21b9d8a056cb"}, {"name": "https://github.com/symfony/symfony/releases/tag/v5.4.52", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v5.4.52"}, {"name": "https://github.com/symfony/symfony/releases/tag/v6.4.40", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v6.4.40"}, {"name": "https://github.com/symfony/symfony/releases/tag/v7.4.12", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v7.4.12"}, {"name": "https://github.com/symfony/symfony/releases/tag/v8.0.12", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/symfony/releases/tag/v8.0.12"}], "affected": [{"vendor": "symfony", "product": "symfony", "versions": [{"version": "< 5.4.52", "status": "affected"}, {"version": ">= 6.0.0-BETA1, < 6.4.40", "status": "affected"}, {"version": ">= 7.0.0-BETA1, < 7.4.12", "status": "affected"}, {"version": ">= 8.0.0-BETA1, < 8.0.12", "status": "affected"}]}, {"vendor": "symfony", "product": "yaml", "versions": [{"version": "< 5.4.52", "status": "affected"}, {"version": ">= 6.0.0-BETA1, < 6.4.40", "status": "affected"}, {"version": ">= 7.0.0-BETA1, < 7.4.12", "status": "affected"}, {"version": ">= 8.0.0-BETA1, < 8.0.12", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-14T18:50:14.830Z"}, "descriptions": [{"lang": "en", "value": "Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, Symfony\\Component\\Yaml\\Parser::cleanup() used regular expressions with overlapping quantifiers for YAML directive, comment, and document marker cleanup, allowing crafted input to make parsing hang for an arbitrarily long time. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12."}], "source": {"advisory": "GHSA-9frc-8383-795m", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-15T14:03:51.536649Z", "id": "CVE-2026-45305", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-15T14:03:58.116Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"cna": {"title": "Symfony: YAML Parser ReDoS via Catastrophic Backtracking in Parser::cleanup() Regex", "source": {"advisory": "GHSA-9frc-8383-795m", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "symfony", "product": "symfony", "versions": [{"status": "affected", "version": "< 5.4.52"}, {"status": "affected", "version": ">= 6.0.0-BETA1, < 6.4.40"}, {"status": "affected", "version": ">= 7.0.0-BETA1, < 7.4.12"}, {"status": "affected", "version": ">= 8.0.0-BETA1, < 8.0.12"}]}, {"vendor": "symfony", "product": "yaml", "versions": [{"status": "affected", "version": "< 5.4.52"}, {"status": "affected", "version": ">= 6.0.0-BETA1, < 6.4.40"}, {"status": "affected", "version": ">= 7.0.0-BETA1, < 7.4.12"}, {"status": "affected", "version": ">= 8.0.0-BETA1, < 8.0.12"}]}], "references": [{"url": "https://github.com/symfony/symfony/security/advisories/GHSA-9frc-8383-795m", "name": "https://github.com/symfony/symfony/security/advisories/GHSA-9frc-8383-795m", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/symfony/symfony/commit/9749cd43c5e09b3735093623670b21b9d8a056cb", "name": "https://github.com/symfony/symfony/commit/9749cd43c5e09b3735093623670b21b9d8a056cb", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v5.4.52", "name": "https://github.com/symfony/symfony/releases/tag/v5.4.52", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v6.4.40", "name": "https://github.com/symfony/symfony/releases/tag/v6.4.40", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v7.4.12", "name": "https://github.com/symfony/symfony/releases/tag/v7.4.12", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/symfony/symfony/releases/tag/v8.0.12", "name": "https://github.com/symfony/symfony/releases/tag/v8.0.12", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, Symfony\\Component\\Yaml\\Parser::cleanup() used regular expressions with overlapping quantifiers for YAML directive, comment, and document marker cleanup, allowing crafted input to make parsing hang for an arbitrarily long time. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1333", "description": "CWE-1333: Inefficient Regular Expression Complexity"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-14T18:50:14.830Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-45305", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-15T14:03:51.536649Z"}}}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-07-15T14:03:54.863Z"}}]}, "cveMetadata": {"cveId": "CVE-2026-45305", "state": "PUBLISHED", "dateUpdated": "2026-07-14T18:50:14.830Z", "dateReserved": "2026-05-11T20:14:43.202Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-14T18:50:14.830Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.4.52)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0-BETA1,6.4.40)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0-BETA1,7.4.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0-BETA1,8.0.12)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "symfony", "source": "cna", "vendor": "symfony"}, "product": "symfony", "vendor": "symfony"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.4.52)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0-BETA1,6.4.40)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0-BETA1,7.4.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0-BETA1,8.0.12)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "yaml", "source": "cna", "vendor": "symfony"}, "product": "yaml", "vendor": "symfony"}], "created": "2026-07-16T13:30:04.103557+00:00", "updated": "2026-07-29T03:45:04.531936+00:00", "vendors": ["symfony", "symfony$PRODUCT$symfony", "symfony$PRODUCT$yaml"]}