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CVE-2011-1148

Use-after-free vulnerability in the substr_replace function in PHP 5.3.6 and earlier allows context-dependent attackers to cause a denial…

High7.5EPSS 4.7%
Published
Updated
Reserved
Assigned by
redhat

Description

Use-after-free vulnerability in the substr_replace function in PHP 5.3.6 and earlier allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact by using the same variable for multiple arguments.

Timeline

  1. ID reserved

    By redhat

  2. · 15 days later

    Published

  3. · 13 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2011-1148, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0High7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (exploitation in 30 days)
4.7% · top 8.1% of all CVEs (8 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • n/a

    • affected n/a

References (14)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .