CVE Explorer
CVE-2026-33532
`yaml` is a YAML parser and serialiser for JavaScript. Parsing a YAML document with a version of `yaml` on the 1.x branch prior to 1.10.3 or on the 2.x branch prior to 2.8.3 may throw a RangeError due to a stack overflow. The node resolution/composition phase uses recursive function calls without a depth bound. An attacker who can supply YAML for parsing can trigger a `RangeError: Maximum call stack size exceeded` with a small payload (~2–10 KB). The `RangeError` is not a `YAMLParseError`, so ap
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"yaml","vendor":"eemeli","versions":[{"status":"affected","version":">= 2.0.0, < 2.8.3"},{"status":"affected","version":">= 1.0.0, < 1.10.3"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:3ebf1a9a8e48befa734bc294270855cdec26f396fbc736d02f1dbe8a47a11730 · sha256:8dae9269ffb0af69… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:3ebf1a9a8e48befa734bc294270855cdec26f396fbc736d02f1dbe8a47a11730 · sha256:8dae9269ffb0af69… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-674","description":"CWE-674: Uncontrolled Recursion","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:3ebf1a9a8e48befa734bc294270855cdec26f396fbc736d02f1dbe8a47a11730 · sha256:8dae9269ffb0af69… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/eemeli/yaml/commit/1e84ebbea7ec35011a4c61bbb820a529ee4f359b","tags":["x_refsource_MISC"],"url":"https://github.com/eemeli/yaml/commit/1e84ebbea7ec35011a4c61bbb820a529ee4f359b"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3ebf1a9a8e48befa734bc294270855cdec26f396fbc736d02f1dbe8a47a11730 · sha256:8dae9269ffb0af69… · /containers/cna/references/1
{"name":"https://github.com/eemeli/yaml/releases/tag/v1.10.3","tags":["x_refsource_MISC"],"url":"https://github.com/eemeli/yaml/releases/tag/v1.10.3"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3ebf1a9a8e48befa734bc294270855cdec26f396fbc736d02f1dbe8a47a11730 · sha256:8dae9269ffb0af69… · /containers/cna/references/2
{"name":"https://github.com/eemeli/yaml/releases/tag/v2.8.3","tags":["x_refsource_MISC"],"url":"https://github.com/eemeli/yaml/releases/tag/v2.8.3"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3ebf1a9a8e48befa734bc294270855cdec26f396fbc736d02f1dbe8a47a11730 · sha256:8dae9269ffb0af69… · /containers/cna/references/3
{"name":"https://github.com/eemeli/yaml/security/advisories/GHSA-48c2-rrv3-qjmp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/eemeli/yaml/security/advisories/GHSA-48c2-rrv3-qjmp"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3ebf1a9a8e48befa734bc294270855cdec26f396fbc736d02f1dbe8a47a11730 · sha256:8dae9269ffb0af69… · /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.