pjsip pjproject up to 2.16 PJNATH ICE Session buffer 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.
8.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in pjsip pjproject up to 2.16 and classified as critical. The affected element is an unknown function of the component PJNATH ICE Session. The manipulation leads to buffer overflow. This vulnerability is listed as CVE-2026-25994. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in pjsip pjproject up to 2.16. This issue affects an unknown part of the component PJNATH ICE Session. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-25994 since 02/09/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 299024 (Linux Distros Unpatched Vulnerability : CVE-2026-25994), which helps to determine the existence of the flaw in a target environment.

Applying the patch 063b3a155f163cc5a9a1df2c56b6720fd3a0dbb0 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at Exploit-DB (52561) and Tenable (299024). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 299024
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-25994

Exploit-DB: 🔒

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 063b3a155f163cc5a9a1df2c56b6720fd3a0dbb0

Timelineinfo

02/09/2026 CVE reserved
02/11/2026 +2 days Advisory disclosed
02/11/2026 +0 days VulDB entry created
05/15/2026 +93 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-j29p-pvh2-pvqp
Status: Confirmed

CVE: CVE-2026-25994 (🔒)
GCVE (CVE): GCVE-0-2026-25994
GCVE (VulDB): GCVE-100-345593
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/11/2026 22:36
Updated: 05/15/2026 11:59
Changes: 02/11/2026 22:36 (71), 02/13/2026 02:26 (1), 02/14/2026 04:39 (2), 02/20/2026 01:16 (11), 05/15/2026 11:59 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!