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cnvd-2021-39564

2026-10-18T04:37:12.161370+00:00

cnvd-2021-39564

EUVD-2026-22233

2026-10-18T04:37:12.161419+00:00

EUVD-2026-22233

fkie_cve-2021-21426

2026-10-18T04:37:12.161441+00:00

Magento-lts is a long-term support alternative to Magento Community Edition (CE). In magento-lts versions 19.4.12 and prior and 20.0.8 and prior, there is a vulnerability caused by the unsecured deserialization of an object. A patch in versions 19.4.13 and 20.0.9 was back ported from Zend Framework 3. The vulnerability was assigned CVE-2021-3007 in Zend Framework.

GHSA-m496-x567-f98c — Fixes a bug in Zend Framework's Stream HTTP Wrapper

2026-10-18T04:37:12.161481+00:00

Affected: Packagist: openmage/magento-lts

### Impact CVE-2021-3007: Backport of Zend_Http_Response_Stream, added certain type checking as a way to prevent exploitation. https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3007

This vulnerability is caused by the unsecured deserialization of an object. In versions higher than Zend Framework 3.0.0, the attacker abuses the Zend3 feature that loads classes from objects in order to upload and execute malicious code in the server. The code can be uploaded using the “callback” parameter, which in this case inserts a malicious code instead of the “callbackOptions” array.

### Patches _Has the problem been patched? What versions should users upgrade to?_ v20.0.9 v19.4.13

gsd-2021-21426

2026-10-18T04:37:12.161531+00:00

gsd-2021-21426