[TYPO3-announce] Announcing TYPO3 13.4.18 and 12.4.37 security releases

Dear TYPO3 Community,

today we've released TYPO3 13.4.18 LTS and 12.4.37 LTS, which are ready for you to download.

All versions are security releases and contain important security fixes - read the corresponding security advisories here:

https://typo3.org/security/advisory/typo3-core-sa-2025-018

https://typo3.org/security/advisory/typo3-core-sa-2025-021

https://typo3.org/security/advisory/typo3-core-sa-2025-023

For details about the releases, please see:

The packages can be downloaded here:

SHA256 checksums:

84c923ce22acb211dee281e1c03cdd90e29e5aedc9176b38ccd59e1e506cd9d6 typo3_src-12.4.37.tar.gz
05a32cff15fbcc63fe5fc23bab952c4c956bdbd387b86a77d5d772c9d020a9b3 typo3_src-12.4.37.zip
36ad0fc6b8c8a05a4acfaed844aad27367a65cf156e899df932295ae621f7ab1 typo3_src-13.4.18.tar.gz
fce66224e820b1cc3ca45b021fda146b86acafcc70d33c5b44e26e233d3a9ba0 typo3_src-13.4.18.zip

Further details on the signing and hashing process of TYPO3 releases:

https://docs.typo3.org/permalink/t3coreapi:release-integrity

Best regards
Oliver Hader