CVE-2021-42612
HIGH
7.8
CVSS Score
Published: May 24, 2022 at 06:02 PM UTC
Updated: June 17, 2026 at 04:09 AM UTC
2 products affected across 2 vendorsFedoraHalibut
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Severity
HIGH7.8
Exploit prediction
EPSS 0.9%
Description
A use after free in cleanup_index in index.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have other unspecified impact via a crafted text document.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://carteryagemann.com/halibut-case-study.html#poc-halibut-text-uafVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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