Buffer overflows in Yahoo!

published 2002-06-11 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0031

cvss: 4.6; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.9%; EPSS 4.9% chance of exploitation in 30 days, percentile 92%
public exploits: 2; Exploit-DB

Buffer overflows in Yahoo! Messenger 5,0,0,1064 and earlier allows remote attackers to execute arbitrary code via a ymsgr URI with long arguments to (1) call, (2) sendim, (3) getimv, (4) chat, (5) addview, or (6) addfriend.

Patch / fix

links 2

cert.org/advisories/CA-2002-16.html advisory
securityfocus.com/bid/4837 advisory

Timeline

2002-05-27 First public exploit (EDB-21484)
2002-06-11 Published

Exploit prediction

4.94% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-21484 Yahoo! Messenger 5.0 - Call Center Buffer Overflow remote, 2002-05-27
EDB-45 Yahoo Messenger 5.5 - 'DSR-ducky.c' Remote Overflow remote, 2003-06-23

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

References

cert.org /advisories/CA-2002-16.html
third-party-advisory, patch, us-government-resource
securityfocus.com /bid/4837
vdb-entry, patch, vendor-advisory
online.securityfocus.com /archive/1/274223
mailing-list, vendor-advisory
kb.cert.org /vuls/id/137115
third-party-advisory, us-government-resource

Sources

CVE List CVE-2002-0031
NVD CVE-2002-0031

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary