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CVE-2026-57235

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::XML::NodeSet#[] (and its alias #slice) checked the requested index against the node set's bounds using a 32-bit-truncated copy of the index. A large negative index could pass the check and then be used at full width, reading outside the node set's storage. On CRuby this is an out-of-bounds read that typically crashes the process; on JRuby it is not memory-unsafe but returns an incorrect
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:23bc01c927041665582b53f4a5209e8963fecd0040aebea0c45bdc8fdd8dda83
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8a7e964891877229370caeb737c137ba7f9bd84a91eef2338faaa3e33de12f5f · sha256:cf09388bcc6c1844… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-190","description":"CWE-190: Integer Overflow or Wraparound","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8a7e964891877229370caeb737c137ba7f9bd84a91eef2338faaa3e33de12f5f · sha256:cf09388bcc6c1844… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"nokogiri","vendor":"sparklemotion","versions":[{"status":"affected","version":"< 1.19.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8a7e964891877229370caeb737c137ba7f9bd84a91eef2338faaa3e33de12f5f · sha256:cf09388bcc6c1844… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8a7e964891877229370caeb737c137ba7f9bd84a91eef2338faaa3e33de12f5f · sha256:cf09388bcc6c1844… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8a7e964891877229370caeb737c137ba7f9bd84a91eef2338faaa3e33de12f5f · sha256:cf09388bcc6c1844… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-190","description":"CWE-190: Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8a7e964891877229370caeb737c137ba7f9bd84a91eef2338faaa3e33de12f5f · sha256:cf09388bcc6c1844… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-5prr-v3j2-97mh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-5prr-v3j2-97mh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8a7e964891877229370caeb737c137ba7f9bd84a91eef2338faaa3e33de12f5f · sha256:cf09388bcc6c1844… · /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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