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CVE-2008-6393

PSI Jabber client before 0.12.1 allows remote attackers to cause a denial of service (crash) and...

10.0 HighPublic exploitFix available

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.

Exploit likelihood

18.3%Down 19.0 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 10.0

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.

Record
CVE-2008-6393
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-189
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2008-6393
Updated
2026-11-02
EUVDEUVD-2008-6363 No score

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.

Record
EUVD-2008-6363
Updated
2026-11-03
GitHub AdvisoriesGHSA-4p4v-f795-xc4p No score

PSI Jabber client before 0.12.1 allows remote attackers to cause a denial of service (crash) and...

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.

Record
GHSA-4p4v-f795-xc4p
Updated
2026-11-02
OSV No score

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.

Record
CVE-2008-6393
Updated
2026-11-02
OSVDEBIAN-CVE-2008-6393 No score

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.

Record
DEBIAN-CVE-2008-6393
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
psi
Debian:12
before 0.12.1-1
0.12.1-1
psi
Debian:13
before 0.12.1-1
0.12.1-1
psi
Debian:5.0
before 0.11-9, plus listed versions
0.11-8
0.11-9

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBPsi Jabber Client (Windows / Linux) - Remote Denial of Service2008-12-23

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2008-6393 is a high vulnerability (CVSS 10.0) in Psi-im Psi, published March 3, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 18.3%, the 97th percentile. Fixed in psi 0.12.1-1.

References

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