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Vulnerability record · CVE-2007-3294 · published 20 June 2007

CVE-2007-3294: Php memory buffer overflow vulnerability

Php · Php

Multiple buffer overflows in libtidy, as used in the Tidy extension for PHP 5.2.3 and possibly other products, allow context-dependent attackers to execute arbitrary code via (1) a long second argument to the tidy_parse_string function or (2) an unspecified vector to the tidy_repair_string function. NOTE: this might only be an issue in environments where vsnprintf is implemented as a wrapper for vsprintf.

7.5 CVSS 2.0 High EPSS 9.4% · top 4.8% CWE-119 · Memory buffer overflow
7.5CVSS 2.0 base score
9.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Multiple buffer overflows in libtidy, as used in the Tidy extension for PHP 5.2.3 and possibly other products, allow context-dependent attackers to execute arbitrary code via (1) a long second argument to the tidy_parse_string function or (2) an unspecified vector to the tidy_repair_string function. NOTE: this might only be an issue in environments where vsnprintf is implemented as a wrapper for vsprintf.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/36853
http://secunia.com/advisories/25735 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/34931
https://www.exploit-db.com/exploits/4080
http://osvdb.org/36853
http://secunia.com/advisories/25735 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/34931
https://www.exploit-db.com/exploits/4080

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Source: NIST National Vulnerability Database (record CVE-2007-3294), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.