CVE-2008-3196

CVE-2008-3196 is a high-severity vulnerability in Yacc with a CVSS 2.0 base score of 7.8. 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-399.

Key facts

Description

skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.

Frequently asked questions

What is CVE-2008-3196?
skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.
How severe is CVE-2008-3196?
CVE-2008-3196 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2008-3196 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3196?
CVE-2008-3196 affects Yacc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-3196?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-3196 published?
CVE-2008-3196 was published on 2008-07-16 and last updated on 2026-06-16.

References

Affected products (1)

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