CVE-2026-57160 Vulnerability Analysis & Exploit Details

CVE-2026-57160
Vulnerability Scoring

5.3
/10
Significant Risk

Security assessments indicate that CVE-2026-57160 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-57160 Details

Status: Analyzed

Last updated: 🕞 11 Sep 2026, 15:31 UTC
Originally published on: 🕕 04 Sep 2026, 18:17 UTC

Time between publication and last update: 6 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVE-2026-57160 Vulnerability Summary

CVE-2026-57160: PJSIP is a free and open source multimedia communication library written in C. Prior to commit d6a0e7f, a buffer overflow can occur in pjsip_generic_array_hdr_print() in pjsip/src/pjsip/sip_msg.c, the function that serializes generic array headers (such as Allow, Require, Supported, and Unsupported). Under certain output-buffer boundary conditions the function can write one byte past the end of the buffer. This is reachable mainly in applications that parse and re-serialize incoming SIP requests — for example a proxy, SBC, or B2BUA — where a remote peer can influence the serialized message. The out-of-bounds write is a single fixed byte; code execution and information disclosure are not demonstrated, and in typical pool-based allocations the byte falls within allocation slack. This issue has been patched via commit d6a0e7f.

Assessing the Risk of CVE-2026-57160

Access Complexity Graph

The exploitability of CVE-2026-57160 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-57160

With low attack complexity and no required privileges, CVE-2026-57160 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-57160, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-57160, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-57160 has no significant impact on data confidentiality.
  • Integrity: Low
    Exploiting CVE-2026-57160 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2026-57160 does not impact system availability.

CVE-2026-57160 References

External References

CWE Common Weakness Enumeration

CWE-193

Vulnerable Configurations

  • cpe:2.3:a:teluu:pjsip:0.5.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.2:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.2:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.3:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.3:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.4:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.4:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.5.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.6:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.6:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.7:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.7:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.8:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.8:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.9:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.9:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.10:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.10:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.10.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.10.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.10.2:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.10.2:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.10.3:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.10.3:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.5.10.4:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.5.10.4:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.7.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.7.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.8.0:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:0.9.0:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:0.9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.0:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.0:rc3:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.0:rc3:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.0:rc4:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.0:rc4:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.2:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.3:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.4:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.4:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.4.5:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.5:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.5:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.5.5:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.5.5:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.6:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.6:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.7:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.7:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.8:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.8:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.8.5:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.8.5:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.8.10:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.8.10:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.10:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.10:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.12:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.12:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.14:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.14:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.14.2:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.14.2:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:1.16:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:1.16:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.0:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.0:rc:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.0:beta:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.0:beta:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.0:alpha:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.0:alpha:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.0:alpha2:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.0:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.2:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.3:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.4:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.4.5:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.5:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.5.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.5.5:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.5.5:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.6:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.6:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.7:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.7:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.7.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.7.2:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.7.2:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.8:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.8:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.9:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.9:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.10:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.10:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.11:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.11:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.11.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.11.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.12:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.12:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.12.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.12.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.13:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.13:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.13.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.13.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.14:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.14:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.14.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.14.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.15:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.15:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.15.1:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.15.1:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.16:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.16:*:*:*:*:*:*:*
  • cpe:2.3:a:teluu:pjsip:2.17:*:*:*:*:*:*:*
    cpe:2.3:a:teluu:pjsip:2.17:*:*:*:*:*:*:*

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