How severe is CVE-2008-7159?

CVE-2008-7159 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2008-7159 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-7159?

CVE-2008-7159 primarily affects Silcnet Silc Toolkit. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-7159?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-7159 published?

CVE-2008-7159 was published on 2009-09-10 and last updated on 2026-06-16.

CVE-2008-7159

CVE-2008-7159 is a medium-severity vulnerability in Silcnet Silc Toolkit with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.

Key facts

Severity: Medium (CVSS 2.0 base score 5.8)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: Silcnet Silc Toolkit
Published: 2009-09-10
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2008-7159?: CVE-2008-7159 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2008-7159 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-7159?: CVE-2008-7159 primarily affects Silcnet Silc Toolkit. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-7159?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-7159 published?: CVE-2008-7159 was published on 2009-09-10 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:silcnet:silc_toolkit:*:*:*:*:*:*:*:*
cpe:2.3:a:silcnet:silc_toolkit:1.1:*:*:*:*:*:*:*
cpe:2.3:a:silcnet:silc_toolkit:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:silcnet:silc_toolkit:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:silcnet:silc_toolkit:1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:silcnet:silc_toolkit:1.1.4:*:*:*:*:*:*:*
cpe:2.3:a:silcnet:silc_toolkit:1.1.5:*:*:*:*:*:*:*

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CVE-2009-3163 — High (CVSS 7.5): Multiple format string vulnerabilities in lib/silcclient/command.c in Secure Internet Live Conferencing (SILC) Toolkit…
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