🛡️ CVE-2026-45822 on Ubuntu — node-source-map-resolve

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

decode-uri-component through 0.4.1 is vulnerable to denial of service. The decode() function splits input on '%' producing N tokens and calls decodeComponents(), exhibiting super-linear parsing time: 200 '%ab' tokens takes approximately 0.7s, 700 tokens approximately 6s, and 1400 tokens approximately 33s. An attacker can cause significant CPU consumption and event-loop blocking via crafted input.

Distribution advisory

This page covers CVE-2026-45822 as tracked by Ubuntu, for the package node-source-map-resolve. No fixed version has been recorded for this distribution yet.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

UBUNTU-CVE-2026-45822 is recorded against 1 package.

  • node-source-map-resolve

Timeline and source

Published on 30 June 2026 and last revised on 1 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
www.cve.org (Report)
github.com (Report)
github.com (Report)
www.npmjs.com (Report)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/S:N/AU:Y/R:U/V:D/RE:M/U:Amber
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-30
Updated 2026-08-11
Modified 2026-07-01
Fix URL N/A

Affected Packages

Software From version Fixed in
node-source-map-resolve — —

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