CVE-2008-7159

The silc_asn1_encoder function in lib/silcasn1/silcasn1_encode.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.8 allows remote attackers to overwrite a stack location and possibly execute arbitrary code via a crafted OID value, related to incorrect use of a %lu format string.

Published: 2009-09-10 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-7159 is rated Moderate Risk (52.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.05%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2008-7159

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 5.58% 4.05% -1.53%
2 2025-03-29 4.05% 5.58% +1.53%
3 2025-03-17 — 4.05% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-7159

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 4.9 [email protected]

Weakness enumeration for CVE-2008-7159

OS Trackers for CVE-2008-7159

vendor priority summary link
gentoo normal CVE-2008-7159: 1 GLSA(s) (201006-07), 2 atom(s) (net-im/silc-client, net-im/silc-toolkit); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-7159
redhat — — https://access.redhat.com/security/cve/CVE-2008-7159
ubuntu medium CVE-2008-7159 medium priority: Ubuntu including 3 source packages (silc-client, silc-server, silc-toolkit), 18 status rows across 6 suites (dapper, hardy, intrepid, jaunty, karmic, upstream): not-affected 9, ignored 4, DNE 2, needs-triage 2, released 1. https://ubuntu.com/security/CVE-2008-7159

Vendor comments (NVD) for CVE-2008-7159

  • Red Hat (2009-09-11T00:00:00)

    Not vulnerable. This issue did not affect the versions of libsilc as shipped with Red Hat Enterprise Linux 4, or 5.

Affected software / configurations for CVE-2008-7159

Vendor Product Version Raw CPE
silcnet silc_toolkit <= 1.1.6 cpe:2.3:a:silcnet:silc_toolkit:*:*:*:*:*:*:*:*
silcnet silc_toolkit 1.1 cpe:2.3:a:silcnet:silc_toolkit:1.1:*:*:*:*:*:*:*
silcnet silc_toolkit 1.1.1 cpe:2.3:a:silcnet:silc_toolkit:1.1.1:*:*:*:*:*:*:*
silcnet silc_toolkit 1.1.2 cpe:2.3:a:silcnet:silc_toolkit:1.1.2:*:*:*:*:*:*:*
silcnet silc_toolkit 1.1.3 cpe:2.3:a:silcnet:silc_toolkit:1.1.3:*:*:*:*:*:*:*
silcnet silc_toolkit 1.1.4 cpe:2.3:a:silcnet:silc_toolkit:1.1.4:*:*:*:*:*:*:*
silcnet silc_toolkit 1.1.5 cpe:2.3:a:silcnet:silc_toolkit:1.1.5:*:*:*:*:*:*:*

References for CVE-2008-7159

cvelogic Threat Intelligence