CVE-2026-5317 Vulnerability Analysis & Exploit Details

CVE-2026-5317
Vulnerability Scoring

6.3
/10
High Risk

If left unpatched, CVE-2026-5317 could lead to major system disruptions or data loss.

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: Required
    User interaction is necessary for successful exploitation.

CVE-2026-5317 Details

Status: Analyzed

Last updated: 🕗 30 Apr 2026, 20:28 UTC
Originally published on: 🕐 02 Apr 2026, 01:16 UTC

Time between publication and last update: 28 days

CVSS Release: version 3

CVSS3 Source

cna@vuldb.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-5317 Vulnerability Summary

CVE-2026-5317: A security flaw has been discovered in Nothings stb up to 1.22. This affects the function start_decoder of the file stb_vorbis.c. The manipulation results in out-of-bounds write. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Assessing the Risk of CVE-2026-5317

Access Complexity Graph

The exploitability of CVE-2026-5317 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-2026-5317

With low attack complexity and no required privileges, CVE-2026-5317 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-2026-5317, 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-2026-5317, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2026-5317 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: Low
    Exploiting CVE-2026-5317 may cause minor changes to data without severely impacting its accuracy.
  • Availability: Low
    CVE-2026-5317 may slightly degrade system performance without fully affecting service availability.

CVE-2026-5317 References

External References

CWE Common Weakness Enumeration

CWE-787

Vulnerable Configurations

  • cpe:2.3:a:nothings:stb_vorbis.c:0.90:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.90:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.91:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.91:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.92:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.92:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.93:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.93:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.94:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.94:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.95:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.95:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.96:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.96:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.97:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.97:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.98:-:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.98:-:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.98:b:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.98:b:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.990:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.990:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.991:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.991:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.992:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.992:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.993:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.993:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.994:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.994:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.995:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.995:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.996:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.996:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.997:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.997:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.998:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.998:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.999:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.999:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.9991:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.9991:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.9992:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.9992:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.9993:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.9993:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.9994:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.9994:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.9995:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.9995:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.9996:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.9996:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.9997:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.9997:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.9998:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.9998:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.9999:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.9999:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.99991:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.99991:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.99992:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.99992:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.99993:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.99993:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.99994:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.99994:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.99995:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.99995:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:0.99996:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:0.99996:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.0:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.01:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.01:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.02:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.02:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.03:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.03:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.04:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.04:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.05:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.05:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.06:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.06:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.07:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.07:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.08:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.08:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.09:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.09:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.10:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.10:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.11:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.11:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.12:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.12:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.13:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.13:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.14:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.14:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.15:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.15:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.16:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.16:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.17:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.17:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.18:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.18:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.19:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.19:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.20:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.20:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.21:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.21:*:*:*:*:*:*:*
  • cpe:2.3:a:nothings:stb_vorbis.c:1.22:*:*:*:*:*:*:*
    cpe:2.3:a:nothings:stb_vorbis.c:1.22:*:*:*:*:*:*:*

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