{"id":"ALPINE-CVE-2023-24056","details":"In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconf_tuple_parse. For example, a .pc file containing a few hundred bytes can expand to one billion bytes.","modified":"2026-09-15T08:17:48.363181289Z","published":"2023-01-22T04:15:11.617Z","upstream":["CVE-2023-24056"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2023-24056"}],"affected":[{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.4-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}