CVE-2025-14177

CWE-125 — Out-of-bounds Read9 documents8 sources
Severity
6.3MEDIUM
EPSS
0.1%
top 81.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
PHP Group PHPPHP PHP
Timeline
PublishedDec 27
Latest updateJan 12

Description

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, the getimagesize() function may leak uninitialized heap memory into the APPn segments (e.g., APP1) when reading images in multi-chunk mode (such as via php://filter). This occurs due to a bug in php_read_stream_all_chunks() that overwrites the buffer without advancing the pointer, leaving tail bytes uninitialized. This may lead to information disclosure of sensitive heap data a…

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

Affected Packages9 packages

▶NVDphp/php8.1.0 — 8.1.34+4
▶CVEListV5php_group/php8.1.* — 8.1.34+4
▶Debianphp8.2< 8.2.30-1~deb12u1
▶Debianphp8.4< 8.4.16-1~deb13u1+1
▶Ubuntuphp8.1< 8.1.2-1ubuntu2.23

🔴Vulnerability Details

3
OSV
php7.2, php7.4, php8.1, php8.3, php8.4 vulnerabilities↗2026-01-12
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CVEList
Information Leak of Memory in getimagesize↗2025-12-27
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OSV
CVE-2025-14177: In PHP versions:8↗2025-12-27
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📋Vendor Advisories

4
Ubuntu
PHP vulnerabilities↗2026-01-12
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Red Hat
php: PHP: Information disclosure via getimagesize() function when reading multi-chunk images↗2025-12-27
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Microsoft
Information Leak of Memory in getimagesize↗2025-12-09
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Debian
CVE-2025-14177: php7.4 - In PHP versions:8.1.* before 8.1.34, 8.2.* before 8.2.30, 8.3.* before 8.3.29, 8...↗2025
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🕵️Threat Intelligence

1
Wiz
CVE-2025-14177 Impact, Exploitability, and Mitigation Steps | Wiz↗
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