{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-01T23:30:44.079","vulnerabilities":[{"cve":{"id":"CVE-2026-2903","sourceIdentifier":"cna@vuldb.com","published":"2026-02-22T01:16:00.563","lastModified":"2026-06-17T10:32:00.180","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"A flaw has been found in skvadrik re2c up to 4.4. Impacted is the function check_and_merge_special_rules of the file src/parse/ast.cc. This manipulation causes null pointer dereference. The attack can only be executed locally. The exploit has been published and may be used. Patch name: febeb977936f9519a25d9fbd10ff8256358cdb97. It is suggested to install a patch to address this issue."},{"lang":"es","value":"Se ha encontrado una vulnerabilidad en skvadrik re2c hasta la versión 4.4. La función afectada es check_and_merge_special_rules del archivo src/parse/ast.cc. Esta manipulación provoca una desreferencia de puntero nulo. El ataque solo puede ejecutarse localmente. El exploit ha sido publicado y puede ser utilizado. Nombre del parche: febeb977936f9519a25d9fbd10ff8256358cdb97. Se sugiere instalar un parche para solucionar este problema."}],"affected":[{"source":"cna@vuldb.com","affectedData":[{"vendor":"skvadrik","product":"re2c","cpes":["cpe:2.3:a:re2c:re2c:*:*:*:*:*:*:*:*"],"versions":[{"version":"4.0","status":"affected"},{"version":"4.1","status":"affected"},{"version":"4.2","status":"affected"},{"version":"4.3","status":"affected"},{"version":"4.4","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":1.9,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","baseScore":3.3,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":1.8,"impactScore":1.4}],"cvssMetricV2":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:S/C:N/I:N/A:P","baseScore":1.7,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"LOW","exploitabilityScore":3.1,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-02-26T16:21:03.435710Z","id":"CVE-2026-2903","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cna@vuldb.com","type":"Secondary","description":[{"lang":"en","value":"CWE-404"},{"lang":"en","value":"CWE-476"}]}],"references":[{"url":"https://github.com/oneafter/0202/blob/main/re/repro","source":"cna@vuldb.com"},{"url":"https://github.com/skvadrik/re2c/","source":"cna@vuldb.com"},{"url":"https://github.com/skvadrik/re2c/commit/febeb977936f9519a25d9fbd10ff8256358cdb97","source":"cna@vuldb.com"},{"url":"https://github.com/skvadrik/re2c/issues/571","source":"cna@vuldb.com"},{"url":"https://github.com/skvadrik/re2c/issues/571#issuecomment-3837675101","source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.347210","source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.347210","source":"cna@vuldb.com"},{"url":"https://vuldb.com/?submit.755030","source":"cna@vuldb.com"}]}}]}