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Vulnerability record · CVE-2008-6393 · published 3 March 2009

CVE-2008-6393: Psi-im psi vulnerability

Psi Im · Psi

PSI Jabber client before 0.12.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a file transfer request with a negative value in a SOCKS5 option, which bypasses a signed integer check and triggers an integer overflow and a heap-based buffer overflow.

10.0 CVSS 2.0 High EPSS 18% · top 2.9% CWE-189 · CWE-189
10.0CVSS 2.0 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
28References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

PSI Jabber client before 0.12.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a file transfer request with a negative value in a SOCKS5 option, which bypasses a signed integer check and triggers an integer overflow and a heap-based buffer overflow.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.gentoo.org/show_bug.cgi?id=252830 Exploit
http://jolmos.blogspot.com/2008/12/psi-remote-integer-overflow.html
http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html
http://secunia.com/advisories/33311 Vendor Advisory
http://secunia.com/advisories/34119
http://secunia.com/advisories/34259
http://secunia.com/advisories/34301
http://sourceforge.net/project/shownotes.php?release_id=658912 Patch
http://www.debian.org/security/2009/dsa-1741
http://www.openwall.com/lists/oss-security/2009/02/25/5 Exploit
http://www.securityfocus.com/archive/1/499563 Exploit
https://www.exploit-db.com/exploits/7555
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00071.html
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00080.html
http://bugs.gentoo.org/show_bug.cgi?id=252830 Exploit
http://jolmos.blogspot.com/2008/12/psi-remote-integer-overflow.html
http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html
http://secunia.com/advisories/33311 Vendor Advisory
http://secunia.com/advisories/34119
http://secunia.com/advisories/34259
http://secunia.com/advisories/34301
http://sourceforge.net/project/shownotes.php?release_id=658912 Patch
http://www.debian.org/security/2009/dsa-1741
http://www.openwall.com/lists/oss-security/2009/02/25/5 Exploit
http://www.securityfocus.com/archive/1/499563 Exploit
https://www.exploit-db.com/exploits/7555
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00071.html
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00080.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.4CVE-2013-2094Linux Kernel perf_swevent_init Integer Type Flaw Enables Local Privilege EscalationThe perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, allowing a local user to…KEVEPSS 48%analysed

Source: NIST National Vulnerability Database (record CVE-2008-6393), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.