Medium severity5.5NVD Advisory· Published Oct 15, 2026

CVE-2026-111274

Description

unarr through 1.1.1 contains a heap-based out-of-bounds read in zip_parse_extra_fields() in zip/parse-zip.c due to an incorrect ZIP64 extra field length check. Attackers can supply a crafted ZIP archive with 0xFFFFFFFF sentinel values and a truncated ZIP64 record to read past the heap buffer and crash the process.

AI Insight

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

Affected products

Unarr/unarrllm-create
Range: <=1.1.1

Patches

Vulnerability mechanics

References

github.com/selmf/unarr/blob/b211040df83dee513362cdeb9bd87afa26fd5e38/zip/parse-zip.cnvd
hackmd.io/@haind-pwn/unarr-tar-zip-oobnvd
www.vulncheck.com/advisories/unarr-through-1.1.1-heap-out-of-bounds-read-via-zip-parse-extra-fieldsnvd

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