# M2Team NanaZip vulnerabilities

Source: https://junglewise.ai/threats/technologies/nanazip  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/nanazip.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 15 vulnerabilities in M2Team NanaZip: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-54616, was published on 20 August 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 15 (0 critical, 0 exploited in the wild)

## About M2Team NanaZip

File compression and archiving utility for Windows supporting multiple formats including ZIP, 7Z, RAR, and TAR.

## Latest M2Team NanaZip vulnerabilities

- [CVE-2026-54616: NanaZip SquashfsHandler heap out-of-bounds read and information disclosure](https://junglewise.ai/threats/cve-2026-54616-nanazip-squashfshandler-heap-out-of-bounds-read-and-information) (high, CVSS 7.1, published 20 Aug 2026)
- [CVE-2026-55783: M2Team NanaZip NULL pointer dereference in NanaZip.Codecs archive handlers](https://junglewise.ai/threats/cve-2026-55783-m2team-nanazip-null-pointer-dereference-in-nanazip-codecs-archive) (info, CVSS 2.4, published 10 Jul 2026)
- [CVE-2026-55782: M2Team NanaZip uncontrolled memory allocation in WebAssembly handler](https://junglewise.ai/threats/cve-2026-55782-m2team-nanazip-uncontrolled-memory-allocation-in-webassembly) (info, CVSS 2.4, published 10 Jul 2026)
- [CVE-2026-55781: M2Team NanaZip memory exhaustion in UFS and FFS image handler](https://junglewise.ai/threats/cve-2026-55781-m2team-nanazip-memory-exhaustion-in-ufs-and-ffs-image-handler) (info, CVSS 2.4, published 10 Jul 2026)
- [CVE-2026-55780: M2Team NanaZip uncaught exception in .NET single-file handler](https://junglewise.ai/threats/cve-2026-55780-m2team-nanazip-uncaught-exception-in-net-single-file-handler) (info, CVSS 2.4, published 10 Jul 2026)
- [CVE-2026-47223: M2Team NanaZip heap out-of-bounds read in AVB vbmeta parser](https://junglewise.ai/threats/cve-2026-47223-m2team-nanazip-heap-out-of-bounds-read-in-avb-vbmeta-parser) (medium, CVSS 5.4, published 12 Jun 2026)
- [CVE-2026-47224: M2Team NanaZip heap buffer overflow in LVM2 metadata parser](https://junglewise.ai/threats/cve-2026-47224-m2team-nanazip-heap-buffer-overflow-in-lvm2-metadata-parser) (medium, CVSS 4.3, published 12 Jun 2026)
- [CVE-2026-47222: M2Team NanaZip heap out-of-bounds read in AVB vbmeta parser](https://junglewise.ai/threats/cve-2026-47222-m2team-nanazip-heap-out-of-bounds-read-in-avb-vbmeta-parser) (medium, CVSS 5.4, published 12 Jun 2026)
- [CVE-2026-44215: M2Team NanaZip heap out-of-bounds write in UFS parser](https://junglewise.ai/threats/cve-2026-44215-m2team-nanazip-heap-out-of-bounds-write-in-ufs-parser) (medium, CVSS 4.4, published 12 May 2026)
- [CVE-2026-42446: M2Team NanaZip stack out-of-bounds read in ZealFS parser](https://junglewise.ai/threats/cve-2026-42446-m2team-nanazip-stack-out-of-bounds-read-in-zealfs-parser) (medium, CVSS 4.4, published 12 May 2026)
- [CVE-2026-42445: M2Team NanaZip uncontrolled recursion in UFS parser](https://junglewise.ai/threats/cve-2026-42445-m2team-nanazip-uncontrolled-recursion-in-ufs-parser) (low, CVSS 3.3, published 12 May 2026)
- [CVE-2026-42444: M2Team NanaZip denial of service in littlefs parser](https://junglewise.ai/threats/cve-2026-42444-m2team-nanazip-denial-of-service-in-littlefs-parser) (low, CVSS 3.3, published 12 May 2026)
- [CVE-2026-42443: M2Team NanaZip integer divide-by-zero in UFS filesystem parser](https://junglewise.ai/threats/cve-2026-42443-m2team-nanazip-integer-divide-by-zero-in-ufs-filesystem-parser) (low, CVSS 3.3, published 12 May 2026)
- [CVE-2026-42442: M2Team NanaZip null pointer dereference in UFS parser](https://junglewise.ai/threats/cve-2026-42442-m2team-nanazip-null-pointer-dereference-in-ufs-parser) (low, CVSS 3.3, published 12 May 2026)
- [CVE-2026-42355: M2Team NanaZip uncontrolled recursion in ASAR parser](https://junglewise.ai/threats/cve-2026-42355-m2team-nanazip-uncontrolled-recursion-in-asar-parser) (low, CVSS 3.3, published 12 May 2026)

## Most severe M2Team NanaZip vulnerabilities

- [CVE-2026-54616: NanaZip SquashfsHandler heap out-of-bounds read and information disclosure](https://junglewise.ai/threats/cve-2026-54616-nanazip-squashfshandler-heap-out-of-bounds-read-and-information) (high, CVSS 7.1, published 20 Aug 2026)
- [CVE-2026-47223: M2Team NanaZip heap out-of-bounds read in AVB vbmeta parser](https://junglewise.ai/threats/cve-2026-47223-m2team-nanazip-heap-out-of-bounds-read-in-avb-vbmeta-parser) (medium, CVSS 5.4, published 12 Jun 2026)
- [CVE-2026-47222: M2Team NanaZip heap out-of-bounds read in AVB vbmeta parser](https://junglewise.ai/threats/cve-2026-47222-m2team-nanazip-heap-out-of-bounds-read-in-avb-vbmeta-parser) (medium, CVSS 5.4, published 12 Jun 2026)
- [CVE-2026-44215: M2Team NanaZip heap out-of-bounds write in UFS parser](https://junglewise.ai/threats/cve-2026-44215-m2team-nanazip-heap-out-of-bounds-write-in-ufs-parser) (medium, CVSS 4.4, published 12 May 2026)
- [CVE-2026-42446: M2Team NanaZip stack out-of-bounds read in ZealFS parser](https://junglewise.ai/threats/cve-2026-42446-m2team-nanazip-stack-out-of-bounds-read-in-zealfs-parser) (medium, CVSS 4.4, published 12 May 2026)
- [CVE-2026-47224: M2Team NanaZip heap buffer overflow in LVM2 metadata parser](https://junglewise.ai/threats/cve-2026-47224-m2team-nanazip-heap-buffer-overflow-in-lvm2-metadata-parser) (medium, CVSS 4.3, published 12 Jun 2026)
- [CVE-2026-42444: M2Team NanaZip denial of service in littlefs parser](https://junglewise.ai/threats/cve-2026-42444-m2team-nanazip-denial-of-service-in-littlefs-parser) (low, CVSS 3.3, published 12 May 2026)
- [CVE-2026-42443: M2Team NanaZip integer divide-by-zero in UFS filesystem parser](https://junglewise.ai/threats/cve-2026-42443-m2team-nanazip-integer-divide-by-zero-in-ufs-filesystem-parser) (low, CVSS 3.3, published 12 May 2026)
- [CVE-2026-42442: M2Team NanaZip null pointer dereference in UFS parser](https://junglewise.ai/threats/cve-2026-42442-m2team-nanazip-null-pointer-dereference-in-ufs-parser) (low, CVSS 3.3, published 12 May 2026)
- [CVE-2026-42355: M2Team NanaZip uncontrolled recursion in ASAR parser](https://junglewise.ai/threats/cve-2026-42355-m2team-nanazip-uncontrolled-recursion-in-asar-parser) (low, CVSS 3.3, published 12 May 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "M2Team NanaZip vulnerabilities", https://junglewise.ai/threats/technologies/nanazip, 11 November 2026.