CVE-2002-2271 — Buffer overflow in BigFun 1.51b IRC client, when the Direct Client Connection (DCC) option is used, allows remote attackers to cause a denial of service (crash) via a long string

Back Back to CVE browser

MEDIUM

Buffer overflow in BigFun 1.51b IRC client, when the Direct Client Connection (DCC) option is used, allows remote attackers to cause a denial of service (crash) via a long string

Published Oct 18, 2007

5.0

MEDIUM

CVSS 2.0

EPSS 1.22%

Description

Buffer overflow in BigFun 1.51b IRC client, when the Direct Client Connection (DCC) option is used, allows remote attackers to cause a denial of service (crash) via a long string.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.22% 0.01219

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01219

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.22% (0.01219)	67.56th	v5 (v2026.06.15)
Jun 15, 2026	1.22% (0.01219)	64.60th	v5 (v2026.06.15)
Mar 17, 2025	0.53% (0.00525)	65.05th	v4 (v2025.03.14)
Dec 12, 2024	0.38% (0.00379)	73.75th	v3 (v2023.03.01)
Jul 14, 2024	0.38% (0.00379)	73.13th	v3 (v2023.03.01)
Jun 6, 2024	0.36% (0.00365)	72.42th	v3 (v2023.03.01)
Feb 8, 2024	0.36% (0.00359)	71.39th	v3 (v2023.03.01)
Mar 7, 2023	0.36% (0.00359)	67.75th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-119

Buffer Overflow

References (2)

http://www.securiteam.com/exploits/6G003156AE.html
x_refsource_MISCExploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/10757
vdb-entryx_refsource_XF

Link	Providers	Tags
http://www.securiteam.com/exploits/6G003156AE.html		x_refsource_MISCExploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/10757		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Oct 18, 2007

Updated Aug 8, 2024

Reserved Oct 17, 2007

Link CVE-2002-2271

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-2271

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-2271