{"action":"Upgrade php-nyholm-psr7 to 1.5.1-2 or later.","affected":[{"fixed":"1.5.1-2","introduced":"0"}],"component":"php-nyholm-psr7","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.5.1-2"],"id":"tcs_01M5NJ0G6XTC99Y8KFJ059PWSY","modified_at":"2026-10-26T18:01:48.510247942Z","published_at":"2023-04-17T22:15:09.947Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-29197","https://security-tracker.debian.org/tracker/CVE-2023-29197"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-29197#Debian:12/php-nyholm-psr7","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-29197"}],"summary":"guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Affected versions are subject to improper header parsing. An attacker could sneak in a newline (\\n) into both the header names an"}