CVE-2011-5129: xchat
CVSS: 5.0v2.0MediumModified
Published 30-08-2012Last modified 07-08-2024
Vulnerability summary
CVE-2011-5129 is a medium (CVSS 5.0) vulnerability in xchat. EPSS estimates a 7.70% chance of exploitation in the next 30 days, higher than 94.5% of scored vulnerabilities. 3 public exploits are recorded.
CVSS score
5.0/10
010
Medium · v2.0 (NVD)EPSS score
7.70%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3reference, exploit-database
Timeline
- 30-08-2012PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Heap-based buffer overflow in XChat 2.8.9 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long response string.
CVSS metrics
1 score · 1 source · 1 versionMedium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
7.70%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 7.70% on 19-09-2026
19-09-202619-10-2026
EPSS score7.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundExploit Reference (securityfocus.com)
Maturity: unknown
Exploit Reference (packetstormsecurity.org)
Maturity: unknown
XChat 2.8.9 - Heap Overflow Denial of Service
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- xchatAll versions (No fix recorded)
Xchat1 product
- xchat≤ 2.8.9 | 1.2.1 | 1.3.9 | 1.3.10 | 1.3.11 | 1.3.12 | 1.3.13 | 1.4 | 1.4.1 | 1.4.2 | 1.4.3 | 1.5.6 | 1.8.0 | 1.8.1 | 1.8.2 | 1.8.3 | 1.8.4 | 1.8.5 | 1.8.6 | 1.8.7 | 1.8.8 | 1.8.9 | 1.9.0 | 1.9.1 | 1.9.2 | 1.9.3 | 1.9.4 | 1.9.5 | 1.9.6 | 1.9.7 | 1.9.8 | 1.9.9 | 2.0.0 | 2.0.1 | 2.0.2 | 2.0.3 | 2.0.4 | 2.0.5 | 2.0.6 | 2.0.7 | 2.0.8 | 2.6.7 | 2.8.0 | 2.8.1 | 2.8.3 | 2.8.3:c | 2.8.3:e | 2.8.4 | 2.8.5:b | 2.8.5:e | 2.8.6 | 2.8.7:a | 2.8.7:b | 2.8.7:c | 2.8.7:d | 2.8.7:e | 2.8.7:f | 2.8.7b | 2.8.8
2 vendors · 2 products