CVE-2025-54581

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Source
https://cve.org/CVERecord?id=CVE-2025-54581
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-54581.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-54581
Aliases
Published
2025-07-30T19:57:46.454Z
Modified
2026-04-02T12:54:22.141845Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
vproxy is vulnerable to a divide by zero DoS attack
Details

vproxy is an HTTP/HTTPS/SOCKS5 proxy server. In versions 2.3.3 and below, untrusted data is extracted from the user-controlled HTTP Proxy-Authorization header and passed to Extension::tryfrom and flows into parsettl_extension where it is parsed as a TTL value. If an attacker supplies a TTL of zero (e.g. by using a username such as 'configuredUser-ttl-0'), the modulo operation 'timestamp % ttl' will cause a division by zero panic, causing the server to crash causing a denial-of-service. This is fixed in version 2.4.0.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/54xxx/CVE-2025-54581.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-369"
    ]
}
References

Affected packages

Git / github.com/0x676e67/vproxy

Affected ranges

Type
GIT
Repo
https://github.com/0x676e67/vproxy
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
aa1bf64c5e7f1c471395f9f29175ffc1b16a1079
Type
GIT
Repo
https://github.com/0x676e67/vproxy
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
4480237d96491304ebf2cac50bb5ad9820d1a3db

Affected versions

v0.*
v0.1.0
v0.1.1
v0.1.2
v0.1.3
v0.1.4
v0.1.5
v0.1.6
v0.1.7
v0.2.0
v0.2.1
v0.2.2
v0.3.0
v0.3.1
v0.3.2
v0.3.3
v0.3.5
v0.3.6
v0.3.7
v0.3.8
v1.*
v1.0.0
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.2.0
v1.2.1
v1.2.2
v1.2.3
v1.2.4
v1.2.5
v1.3.1
v1.3.2
v2.*
v2.0.0
v2.0.1
v2.0.10
v2.0.11
v2.0.12
v2.0.25
v2.0.26
v2.0.5
v2.0.50
v2.0.51
v2.0.55
v2.0.60
v2.0.65
v2.0.77
v2.3.0
v2.3.1
v2.3.2
v2.3.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-54581.json"