Description
Session fixation vulnerability in the authentication library in TYPO3 4.0.0 through 4.0.9, 4.1.0 through 4.1.7, and 4.2.0 through 4.2.3 allows remote attackers to hijack web sessions via unspecified vectors related to (1) frontend and (2) backend authentication.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 4.0 | typo3-src | 4.0.2+debian-7 | DSA-1711-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | typo3/cms | >= 4.0.0, < 4.0.10 | 4.0.10 | GHSA-q45q-5233-229p |
| Packagist | typo3/cms | >= 4.1.0, < 4.1.8 | 4.1.8 | GHSA-q45q-5233-229p |
| Packagist | typo3/cms | >= 4.2.0, < 4.2.4 | 4.2.4 | GHSA-q45q-5233-229p |
Advisories 1
- DSA-1711-1 typo3-src - remote code execution Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-001/
- 33617 third-party-advisory
- DSA-1711 vendor-advisory
- 33376 vdb-entry
- typo3-library-session-hijacking(48133) vdb-entry
- 33679 third-party-advisory