CVE-2011-3268

CVE-2011-3268 is a critical-severity vulnerability in Php with a CVSS 2.0 base score of 10.0. 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-119.

Key facts

Description

Buffer overflow in the crypt function in PHP before 5.3.7 allows context-dependent attackers to have an unspecified impact via a long salt argument, a different vulnerability than CVE-2011-2483.

Frequently asked questions

What is CVE-2011-3268?
Buffer overflow in the crypt function in PHP before 5.3.7 allows context-dependent attackers to have an unspecified impact via a long salt argument, a different vulnerability than CVE-2011-2483.
How severe is CVE-2011-3268?
CVE-2011-3268 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-3268 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3268?
CVE-2011-3268 primarily affects Php. In total, 105 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3268?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-3268 published?
CVE-2011-3268 was published on 2011-08-25 and last updated on 2026-06-16.

References

Affected products (105)

More vulnerabilities in Php

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Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

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Threat intelligence

Threat-intel indicators referencing this CVE: