guzzlehttp/psr7 is a PSR-7 HTTP message library. Versions prior to 1.8.4 and 2.1.1 are vulnerable to improper header parsing. An attacker could sneak in a new line character and pass untrusted values. The issue is patched in 1.8.4 and 2.1.1. There are currently no known workarounds.
CVE-2022-24775
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.9%, top 24% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 81.9%
- KEV
- Not listed
Published
March 21, 2022
Last Modified
November 21, 2024
References (8)
- security-advisories@githubhttps://github.com/guzzle/psr7/pull/485/commits/e55afaa3fc138c89adf3b55a8ba20dc60d17f1f1
- security-advisories@githubhttps://github.com/guzzle/psr7/pull/486/commits/9a96d9db668b485361ed9de7b5bf1e54895df1dc
- security-advisories@githubhttps://github.com/guzzle/psr7/security/advisories/GHSA-q7rv-6hp3-vh96
- security-advisories@githubhttps://www.drupal.org/sa-core-2022-006
- af854a3a-2127-422b-91ae-364da2661108https://github.com/guzzle/psr7/pull/485/commits/e55afaa3fc138c89adf3b55a8ba20dc60d17f1f1
- af854a3a-2127-422b-91ae-364da2661108https://github.com/guzzle/psr7/pull/486/commits/9a96d9db668b485361ed9de7b5bf1e54895df1dc
- af854a3a-2127-422b-91ae-364da2661108https://github.com/guzzle/psr7/security/advisories/GHSA-q7rv-6hp3-vh96
- af854a3a-2127-422b-91ae-364da2661108https://www.drupal.org/sa-core-2022-006
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | php-guzzlehttp-psr7 (1.8.3-1ubuntu0.1~esm1) @ jammy | 2026-05-26 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(2 across 1 ecosystem)
Packagist(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| drupal/core | 8.0.0 ... 9.3.8 (237 versions) | 9.3.9 | — |
| guzzlehttp/psr7 | 2.0.0, 2.1.0 | 2.1.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 8× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:25 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 01:14 UTCEG score recompute
- 2026-05-26 01:14 UTCVendor advisory
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Frequently asked(5)
What is CVE-2022-24775?
When was CVE-2022-24775 disclosed?
Is CVE-2022-24775 actively exploited?
What is the CVSS score of CVE-2022-24775?
How do I remediate CVE-2022-24775?
Dependency Blast Radius
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