Out-of-Bounds Read Vulnerability in LibRaw Affects Nikon TIFF/NEF Processing
CVE-2026-5342

6.9MEDIUM

Key Information:

Vendor

LibRaw

Status
Libraw
Vendor
CVE Published:
2 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5342?

An out-of-bounds read vulnerability exists in LibRaw affecting versions up to 0.22.0. This flaw occurs in the function LibRaw::nikon_load_padded_packed_raw, specifically within the decoding process of TIFF/NEF files. An attacker can exploit this vulnerability by manipulating certain function arguments, potentially leading to unauthorized data access or application crashes. Remote exploitation is possible, making it critical for users to update to version 0.22.1, which includes a patch that addresses this issue.

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Affected Version(s)

LibRaw 0.1

LibRaw 0.2

LibRaw 0.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-5342 - Proof of Concept

References

https://vuldb.com/vuln/354671
vdb-entrytechnical-description
https://vuldb.com/vuln/354671/cti
signaturepermissions-required
https://vuldb.com/submit/781223
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

biniam (VulDB User)
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