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CVE-2026-14355 is an out-of-bounds write vulnerability in PHP's OpenSSL extension when performing AES Key Wrap with Padding (AES-WRAP-PAD) encryption. In affected PHP versions, the output buffer is allocated according to plaintext length but does not account for the expansion required by RFC 5649. OpenSSL can consequently write beyond the allocated heap buffer, corrupting heap metadata and causing an application abort.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
29 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A network-reachable, low-complexity denial-of-service vulnerability requiring no privileges or user interaction, affecting confidentiality and integrity not at all and availability at a low level according to the supplied CVSS v3 vector.
A vulnerability addressed by the Oracle Linux ELSA-2026-612590 update for Oracle Linux 9 PHP packages. The content provides no technical flaw description or CVSS score specifically attributable to this CVE.
A PHP ext/openssl memory-corruption vulnerability in openssl_encrypt when using AES-WRAP-PAD. Red Hat backported a fix to PHP 8.0 for RHEL 9.8.z.
A memory corruption vulnerability in PHP’s OpenSSL extension caused by incorrect buffer size calculations during AES-WRAP-PAD encryption, leading to heap corruption and possible denial-of-service.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.