Medium severity · published Jul 3, 2026
CVE-2026-14355
ext/openssl: Memory corruption in openssl_encrypt with AES-WRAP-PAD
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
In PHP versions 8.2.* before 8.2.32, 8.3.* before 8.3.32, 8.4.* before 8.4.23, 8.5.* before 8.5.8, the AES-WRAP-PAD algorithm implementation in OpenSSL extension contains a buffer allocation flaw. The output buffer for the AES key-wrap-with-padding operation is sized from the plaintext length without accounting for RFC 5649 expansion. This may cause OpenSSL to write beyond allocated memory, corrupting heap metadata and triggering application abort.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
8.2.0 before 8.2.32; 8.3.0 before 8.3.32; 8.4.0 before 8.4.23; 8.5.0 before 8.5.8 · source: vendor, NVD
DL
Debian Linux · Debian
12.0 · source: NVD
Affected product
PH
PHP
PHP
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