MEDIUMCVSS v3.1 6.1Vulnerability
CVE-2026-120455
rapidyaml through 0.16.0 contains an out-of-bounds write vulnerability in ParseEngine::_add_annotation() that allows attackers to corrupt memory by supplying YAML with excess anchors or tags. Attackers can submit YAML with consecutive anchors or tags to overflow the fixed two-element annotation array in release builds, corrupting stack memory and crashing the process.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-02T16:55:11.069321+00:00
- Cvss severity
- MEDIUM
- Cvss score
- 6.1
- Retrieved at
- 2026-11-02T16:56:00+00:00
- Score
- 6.1
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-120455
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
- First seen by Signal
- 2026-11-02T16:50:29+00:00
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
- Published at
- 2026-11-02T15:17:29.117
- Last modified
- 2026-11-02T15:17:29.117
Related Entities (1)
HAS_WEAKNESS (1)
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