CVE-2003-1135 — Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of "%" (percent) characters after the Yahoo ID

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LOW

Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of "%" (percent) characters after the Yahoo ID

Published May 10, 2005

2.6

LOW

CVSS 2.0

EPSS 4.52%

Description

Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of "%" (percent) characters after the Yahoo ID.

Affected products

Remediation

No remediation recorded yet.

Metrics

4.52% 0.04515

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

EPSS probability 0.04515

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 (11 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	4.52% (0.04515)	91.22th	v5 (v2026.06.15)
Jun 15, 2026	4.52% (0.04515)	90.27th	v5 (v2026.06.15)
Mar 17, 2025	3.34% (0.03339)	86.46th	v4 (v2025.03.14)
Dec 12, 2024	0.36% (0.00358)	73.03th	v3 (v2023.03.01)
Apr 25, 2024	0.60% (0.00604)	78.27th	v3 (v2023.03.01)
Mar 15, 2024	0.50% (0.00498)	75.75th	v3 (v2023.03.01)
Feb 8, 2024	0.45% (0.00451)	74.38th	v3 (v2023.03.01)
Mar 7, 2023	0.36% (0.00361)	67.84th	v3 (v2023.03.01)
Mar 6, 2023	1.96% (0.01963)	78.58th	v2 (v2022.01.01)
Apr 1, 2022	1.96% (0.01963)	76.70th	v2 (v2022.01.01)
Feb 4, 2022	1.96% (0.01963)	55.84th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (2)

http://www.securityfocus.com/archive/1/342472
mailing-listx_refsource_BUGTRAQExploit
http://www.securityfocus.com/bid/8894
vdb-entryx_refsource_BIDExploit

Link	Providers	Tags
http://www.securityfocus.com/archive/1/342472		mailing-listx_refsource_BUGTRAQExploit
http://www.securityfocus.com/bid/8894		vdb-entryx_refsource_BIDExploit

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published May 10, 2005

Updated Sep 16, 2024

Reserved May 4, 2005

Link CVE-2003-1135

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2003-1135

Red Hat

Severity n/a

Public date n/a

Links CVE-2003-1135