CVE-2006-1990

CVE-2006-1990 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Integer overflow in the wordwrap function in string.c in PHP 4.4.2 and 5.1.2 might allow context-dependent attackers to execute arbitrary code via certain long arguments that cause a small buffer to be allocated, which triggers a heap-based buffer overflow in a memcpy function call, a different vulnerability than CVE-2002-1396.

Frequently asked questions

What is CVE-2006-1990?
Integer overflow in the wordwrap function in string.c in PHP 4.4.2 and 5.1.2 might allow context-dependent attackers to execute arbitrary code via certain long arguments that cause a small buffer to be allocated, which triggers a heap-based buffer overflow in a memcpy function call, a different vulnerability than CVE-2002-1396.
How severe is CVE-2006-1990?
CVE-2006-1990 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-1990 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1990?
CVE-2006-1990 primarily affects Php. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-1990?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-1990 published?
CVE-2006-1990 was published on 2006-04-24 and last updated on 2026-06-16.

References

Affected products (2)

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