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CVE-2026-34166

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.25.3, the replace filter in LiquidJS incorrectly accounts for memory usage when the memoryLimit option is enabled. It charges str.length + pattern.length + replacement.length bytes to the memory limiter, but the actual output from str.split(pattern).join(replacement) can be quadratically larger when the pattern occurs many times in the input string. This allows an attacker who controls template conten
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8b60fbd055fe00a7d6938cee01f02c4c5972669c29db50d0cb40bfb040786a12
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"liquidjs","vendor":"harttle","versions":[{"status":"affected","version":"< 10.25.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:053344fe2a9c5a234c3096c1f91a90c0bfba425af15b816cb6ed96a2d2865140 · sha256:b1586ff087619c31… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:053344fe2a9c5a234c3096c1f91a90c0bfba425af15b816cb6ed96a2d2865140 · sha256:b1586ff087619c31… · /containers/cna/metrics/0/cvssV3_1

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:v2:053344fe2a9c5a234c3096c1f91a90c0bfba425af15b816cb6ed96a2d2865140 · sha256:b1586ff087619c31… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/harttle/liquidjs/commit/abc058be0f33d6372cd2216f4945183167abeb25","tags":["x_refsource_MISC"],"url":"https://github.com/harttle/liquidjs/commit/abc058be0f33d6372cd2216f4945183167abeb25"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:053344fe2a9c5a234c3096c1f91a90c0bfba425af15b816cb6ed96a2d2865140 · sha256:b1586ff087619c31… · /containers/cna/references/1
{"name":"https://github.com/harttle/liquidjs/releases/tag/v10.25.3","tags":["x_refsource_MISC"],"url":"https://github.com/harttle/liquidjs/releases/tag/v10.25.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:053344fe2a9c5a234c3096c1f91a90c0bfba425af15b816cb6ed96a2d2865140 · sha256:b1586ff087619c31… · /containers/cna/references/2
{"name":"https://github.com/harttle/liquidjs/security/advisories/GHSA-mmg9-6m6j-jqqx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/harttle/liquidjs/security/advisories/GHSA-mmg9-6m6j-jqqx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:053344fe2a9c5a234c3096c1f91a90c0bfba425af15b816cb6ed96a2d2865140 · sha256:b1586ff087619c31… · /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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