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CVE-2025-66453

Rhino is an open-source implementation of JavaScript written entirely in Java. Prior to 1.8.1, 1.7.15.1, and 1.7.14.1, when an application passed an attacker controlled float poing number into the toFixed() function, it might lead to high CPU consumption and a potential Denial of Service. Small numbers go through this call stack: NativeNumber.numTo > DToA.JS_dtostr > DToA.JS_dtoa > DToA.pow5mult where pow5mult attempts to raise 5 to a ridiculous power. This vulnerability is fixed in 1.8.1, 1.7.1
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:45899ea3e27d2c497aac379abd8ec54bd66eca68f6fa01a2f3711e36d8d08927
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"rhino","vendor":"mozilla","versions":[{"status":"affected","version":">= 1.8.0, < 1.8.1"},{"status":"affected","version":">= 1.7.15, < 1.7.15.1"},{"status":"affected","version":"< 1.7.14.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:969fd6b4100bbc0d80d6e0c682d286090bfee5804afb77ae83a3a46cae3ac27a · sha256:040a09507b07b71f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.5,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:969fd6b4100bbc0d80d6e0c682d286090bfee5804afb77ae83a3a46cae3ac27a · sha256:040a09507b07b71f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:969fd6b4100bbc0d80d6e0c682d286090bfee5804afb77ae83a3a46cae3ac27a · sha256:040a09507b07b71f… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/mozilla/rhino/security/advisories/GHSA-3w8q-xq97-5j7x","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mozilla/rhino/security/advisories/GHSA-3w8q-xq97-5j7x"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:969fd6b4100bbc0d80d6e0c682d286090bfee5804afb77ae83a3a46cae3ac27a · sha256:040a09507b07b71f… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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