High severity7.8NVD Advisory· Published May 24, 2022· Updated Jun 17, 2026

CVE-2021-42613

Description

A double free in cleanup_index in index.c in Halibut 1.2 allows an attacker to cause a denial of service or possibly have other unspecified impact via a crafted text document.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Halibut Project/Halibut
cpe:2.3:a:halibut_project:halibut:1.2:*:*:*:*:*:*:*
Fedoraproject/Fedora
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Halibut/Halibutdescription
Halibut/Halibutllm-create
Range: <=1.2

Patches

Vulnerability mechanics

References

carteryagemann.com/halibut-case-study.htmlnvdExploitThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/nvd

News mentions

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cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000