How severe is CVE-2016-1000253?

No CVSS score has been assigned to CVE-2016-1000253 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2016-1000253?

CVE-2016-1000253 affects the following packages: onelogin/php-saml (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2016-1000253?

Update onelogin/php-saml to 2.10.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-1000253 is resolved across your whole dependency graph.

How do I detect CVE-2016-1000253 in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for onelogin/php-saml, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2016-1000253 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

How does O3 Security protect against CVE-2016-1000253?

O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2016-1000253 can be triaged on real exposure rather than presence alone.

Is CVE-2016-1000253 actively exploited in the wild?

No public exploit code has been indexed for CVE-2016-1000253 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was CVE-2016-1000253 published, and has it been updated?

CVE-2016-1000253 was published on May 17, 2024 and was last updated on December 2, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘 Packagist

Not in CISA KEV

CVE-2016-1000253 — onelogin/php-saml

Fix: onelogin/php-saml@9d31baa

CVE-2016-1000253 is a security vulnerability in onelogin/php-saml. A fix is available for onelogin/php-saml — see the affected versions and patch details below.

onelogin/php-saml signature wrapping attacks

Published

May 17, 2024

Updated

Dec 2, 2024

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Dec 2, 2024 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

🐘onelogin/php-saml

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Vulnerability in onelogin/php-saml versions prior to 2.10.0 allows signature Wrapping attacks which may result in a malicious user gaining unauthorized access to a system.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`onelogin/php-saml`	all versions	2.10.0`composer require onelogin/php-saml:^2.10.0`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for onelogin/php-saml, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update onelogin/php-saml to 2.10.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-1000253 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2016-1000253 can be triaged on real exposure rather than presence alone.

Tailored to CVE-2016-1000253. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Vulnerability in onelogin/php-saml versions prior to 2.10.0 allows signature Wrapping attacks which may result in a malicious user gaining unauthorized access to a system.

O3 Security · Impact-Aware SCA

Is CVE-2016-1000253 in your dependencies?

O3 Security finds CVE-2016-1000253 across Packagist dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

Scan my dependencies How O3 SCA works