On Windows, PHP's filesystem and stream APIs do not reject reserved device names such as CON, PRN, AUX, NUL, COM1 to COM9, LPT1 to LPT9, CONIN$ and CONOUT$ when they appear as a component of a path. An attacker-controlled filename therefore reaches CreateFileW() and opens a devic...
Product
redhat/php:7.4/php vulnerabilities
8 published CVES affecting redhat/php:7.4/php, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 8
- Critical
- 0
- High
- 4
- Medium
- 3
- Low
- 1
- Unscored
- 0
- CISA KEV
- 0
Latest redhat/php:7.4/php CVEs
Newest publication first
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MediumCVSS 6.9 EPSS 0.37%
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HighCVSS 8.1 EPSS 0.42%
Attacker-provided inputs to bccomp() could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4.* before 8.4.24 and from 8.5.* before 8.5.9.
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HighCVSS 8.1
A flaw was found in libgd. Processing a specially crafted GIF file allows a remote attacker to trigger a buffer overflow, resulting in an application crash and a denial of service. Arbitrary code execution is possible in theory, but considered highly unlikely because standard ima...
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MediumCVSS 6.3 EPSS 0.35%
In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure representing the XML document. This may cause subsequent processing of the XML document to enter infinite...
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CVE-2026-6104 Global buffer over-read in mb_convert_encoding() with attacker-supplied encoding
PublishedMediumCVSS 6.3 EPSS 0.47%In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, when an encoding name containing an embedded NUL byte is passed to mb_convert_encoding() or related mbstring functions, the code incorrectly assumes that when strncasecmp() returns 0 it means the strings have the same le...
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CVE-2026-7259 Null pointer dereference in php_mb_check_encoding() via mb_ereg_search_init()
PublishedLowCVSS 2.1 EPSS 0.19%In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploi...
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HighCVSS 7.4 EPSS 0.44%
In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the PDO Firebird driver improperly handles NUL bytes when preparing SQL queries. During token-by-token query construction, a string token containing a NUL byte is copied via str...
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HighCVSS 8.2 EPSS 0.70% PoC
In PHP versions 8.1.* before 8.1.34, 8.2.* before 8.2.30, 8.3.* before 8.3.29, 8.4.* before 8.4.16, 8.5.* before 8.5.1 when using the PDO PostgreSQL driver with PDO::ATTR_EMULATE_PREPARES enabled, an invalid character sequence (such as \x99) in a prepared statement parameter may...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.