CVE-2026-42446Disclosure(m2team / nanazip)

LOWCVSS 7.1 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a stack-based out-of-bounds read exists in the ZealFS filesystem image parser in NanaZip. The vulnerability is triggered when opening a crafted ZealFS v1 filesystem image. An attacker-controlled BitmapSize field in the file header drives an unbounded loop that reads past the end of a stack-allocated ZEALFS_V1_HEADER structure. This vulnerability is fixed in 6.0.1698.0.

m2team CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://github.com/M2Team/NanaZip/security/advisories/GHSA-4c79-hfr4-mqv9

Weakness type (CWE)

CWE-125

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

nanazip

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 2 signals
Disclosure: 1 classified signal
General: 1 classified signal
2 total mentions across 1 day

Affected systems

Vendors

m2team

Products

nanazip

Deep dive

Activity timeline2 mentions / 1d

Signal classification2 categories

Disclosure

150.0%

General

150.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Infoflowcloud@infoflowcloud149d
Disclosure
🚨*CVE* CVE-2026-42446 NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a stack-based out-of-bounds read exists in the ZealFS filesystem image parser in NanaZip… https://www.cve.org/CVERecord?id=CVE-2026-42446 ----- Traducción: CVE-2026-42446 Nan… http://infoflow.cloud`
Post summary
The tweet announces a stack-based out‑of‑bounds read vulnerability in NanaZip 5.x–6.x, providing technical details but no PoC, patch, or exploitation evidence.
0000067
77 followersView on X
CVE@CVEnew149d
General
CVE-2026-42446 NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a stack-based out-of-bounds read exists in the ZealFS filesystem image parser in NanaZip… https://www.cve.org/CVERecord?id=CVE-2026-42446
Post summary
The excerpt describes a stack‑based out‑of‑bounds read vulnerability in NanaZip’s ZealFS parser affecting certain versions, but gives no exploit, mitigation, or PoC details.
00000150
57.5K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	m2team	nanazip	-	-	-

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