CVE-2011-2532

The json.decode function in util/json.lua in Prosody 0.8.x before 0.8.1 might allow remote attackers to cause a denial of service (infinite loop) via invalid JSON data, as demonstrated by truncated data.

Published: 2011-06-22 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-2532 is rated Moderate Risk (45.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.45%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-2532

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.53% 1.45% +0.91%
2 2025-03-30 0.59% 0.53% -0.05%
3 2025-03-29 — 0.59% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2532

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-2532

OS Trackers for CVE-2011-2532

vendor priority summary link
debian not yet assigned CVE-2011-2532 not yet assigned priority: Debian including 1 source packages (prosody), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-2532
ubuntu medium CVE-2011-2532 medium priority: Ubuntu including 1 source packages (prosody), 5 status rows across 5 suites (hardy, lucid, maverick, natty, upstream): not-affected 3, DNE 1, released 1. https://ubuntu.com/security/CVE-2011-2532

Affected software / configurations for CVE-2011-2532

Vendor Product Version Raw CPE
prosody prosody 0.8.0 cpe:2.3:a:prosody:prosody:0.8.0:*:*:*:*:*:*:*

References for CVE-2011-2532

cvelogic Threat Intelligence