VDB-364580 · CVE-2026-45698 · GCVE-0-2026-45698

Netatalk up to 4.4.2 deletedir stack-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Netatalk up to 4.4.2. It has been declared as critical. The impacted element is the function deletedir. Such manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2026-45698. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Netatalk up to 4.4.2. It has been rated as critical. Affected by this issue is the function deletedir. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at sourceforge.net. This vulnerability is handled as CVE-2026-45698. The exploitation is known to be easy. There are known technical details, but no exploit is available.

Upgrading to version 4.4.3 eliminates this vulnerability. The upgrade is hosted for download at netatalk.io.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Netatalk

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Netatalk 4.4.3

Timelineinfo

05/19/2026 Advisory disclosed
05/19/2026 +0 days VulDB entry created
05/19/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: sourceforge.net
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-45698 (🔒)
GCVE (CVE): GCVE-0-2026-45698
GCVE (VulDB): GCVE-100-364580

Entryinfo

Created: 05/19/2026 07:56
Changes: 05/19/2026 07:56 (53)
Complete: 🔍
Cache ID: 216::103