CVE-2023-30536 is a medium-severity vulnerability affecting slim/psr7 versions prior to 1.6.1, a PSR-7 implementation used with Slim 4. An attacker can inject newline characters into HTTP header names or values, potentially leading to malformed HTTP requests. This could cause application errors, denial of service through remote service bans, or invalid requests when using a PSR-18 HTTP client. The vulnerability has a CVSS score of 6.5 (Medium) with a network attack vector and low impact on integrity and availability. There is no known active exploitation, public exploit code, or significant community discussion, and it is not listed in the KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.6.1CPE matchmatch criteria | cpe:2.3:a:slimframework:slim_psr-7:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
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