selmf unarr up to 1.1.1 ZIP Extra Field Parsing zip/parse-zip.c zip_parse_extra_fields out-of-bounds

Summaryinfo

A vulnerability marked as problematic has been reported in selmf unarr up to 1.1.1. Affected by this issue is the function zip_parse_extra_fields of the file zip/parse-zip.c of the component ZIP Extra Field Parsing. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2026-111274. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in selmf unarr up to 1.1.1. Affected by this vulnerability is the function zip_parse_extra_fields of the file zip/parse-zip.c of the component ZIP Extra Field Parsing. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

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.

The advisory is shared at hackmd.io. This vulnerability is known as CVE-2026-111274 since 10/15/2026. The exploitation appears to be easy. An attack has to be approached locally. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• selmf

Name

• unarr

Version

• 1.1.0
• 1.1.1

CPE 2.3info

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CPE 2.2info

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Entryinfo

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