{"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":"2025-12-03T22:54:20.840545Z","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"}]}],"versions":["0.1.1-r0","0.1.1-r1","0.1.1-r2","0.8-r0","0.8-r1","0.8.10-r0","0.8.11-r0","0.8.12-r0","0.8.8-r0","0.8.9-r0","0.9.0-r0","0.9.1-r0","0.9.10-r0","0.9.11-r0","0.9.12-r0","0.9.2-r0","0.9.3-r0","0.9.4-r0","0.9.5-r0","0.9.6-r0","0.9.7-r0","0.9.9-r0","1-r0","1-r1","1-r2","1-r3","1.0.1-r0","1.0.2-r0","1.2.1-r0","1.2.1-r1","1.2.2-r0","1.2.2-r1","1.3.0-r0","1.3.0-r1","1.3.0-r2","1.3.1-r0","1.3.10-r0","1.3.11-r0","1.3.12-r0","1.3.2-r0","1.3.3-r0","1.3.4-r0","1.3.4-r1","1.3.5-r0","1.3.6-r0","1.3.7-r0","1.3.8-r0","1.3.9-r0","1.4.0-r0","1.4.1-r0","1.4.2-r0","1.5.0-r0","1.5.0-r1","1.5.1-r0","1.5.2-r0","1.5.3-r0","1.5.4-r0","1.6.0-r0","1.6.1-r0","1.6.1-r1","1.6.3-r0","1.6.3-r1","1.6.3-r2","1.7.0-r0","1.7.0-r1","1.7.1-r0","1.7.2-r0","1.7.3-r0","1.7.4-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1-r0"}]}],"versions":["0.1.1-r0","0.1.1-r1","0.1.1-r2","0.8-r0","0.8-r1","0.8.10-r0","0.8.11-r0","0.8.12-r0","0.8.8-r0","0.8.9-r0","0.9.0-r0","0.9.1-r0","0.9.10-r0","0.9.11-r0","0.9.12-r0","0.9.2-r0","0.9.3-r0","0.9.4-r0","0.9.5-r0","0.9.6-r0","0.9.7-r0","0.9.9-r0","1-r0","1-r1","1-r2","1-r3","1.0.1-r0","1.0.2-r0","1.2.1-r0","1.2.1-r1","1.2.2-r0","1.2.2-r1","1.3.0-r0","1.3.0-r1","1.3.0-r2","1.3.1-r0","1.3.10-r0","1.3.11-r0","1.3.12-r0","1.3.2-r0","1.3.3-r0","1.3.4-r0","1.3.4-r1","1.3.5-r0","1.3.6-r0","1.3.7-r0","1.3.8-r0","1.3.9-r0","1.4.0-r0","1.4.1-r0","1.4.2-r0","1.5.0-r0","1.5.0-r1","1.5.1-r0","1.5.2-r0","1.5.3-r0","1.5.4-r0","1.6.0-r0","1.6.1-r0","1.6.1-r1","1.6.3-r0","1.6.3-r1","1.6.3-r2","1.7.0-r0","1.7.0-r1","1.7.1-r0","1.7.2-r0","1.7.3-r0","1.7.4-r0","1.8.0-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"}]}],"versions":["0.1.1-r0","0.1.1-r1","0.1.1-r2","0.8-r0","0.8-r1","0.8.10-r0","0.8.11-r0","0.8.12-r0","0.8.8-r0","0.8.9-r0","0.9.0-r0","0.9.1-r0","0.9.10-r0","0.9.11-r0","0.9.12-r0","0.9.2-r0","0.9.3-r0","0.9.4-r0","0.9.5-r0","0.9.6-r0","0.9.7-r0","0.9.9-r0","1-r0","1-r1","1-r2","1-r3","1.0.1-r0","1.0.2-r0","1.2.1-r0","1.2.1-r1","1.2.2-r0","1.2.2-r1","1.3.0-r0","1.3.0-r1","1.3.0-r2","1.3.1-r0","1.3.10-r0","1.3.11-r0","1.3.12-r0","1.3.2-r0","1.3.3-r0","1.3.4-r0","1.3.4-r1","1.3.5-r0","1.3.6-r0","1.3.7-r0","1.3.8-r0","1.3.9-r0","1.4.0-r0","1.4.1-r0","1.4.2-r0","1.5.0-r0","1.5.0-r1","1.5.1-r0","1.5.2-r0","1.5.3-r0","1.5.4-r0","1.6.0-r0","1.6.1-r0","1.6.1-r1","1.6.3-r0","1.6.3-r1","1.6.3-r2","1.7.0-r0","1.7.0-r1","1.7.1-r0","1.7.2-r0","1.7.3-r0","1.7.4-r0","1.8.0-r0","1.8.0-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24056.json"}},{"package":{"name":"pkgconf","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/pkgconf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-r0"}]}],"versions":["0.1.1-r0","0.1.1-r1","0.1.1-r2","0.8-r0","0.8-r1","0.8.10-r0","0.8.11-r0","0.8.12-r0","0.8.8-r0","0.8.9-r0","0.9.0-r0","0.9.1-r0","0.9.10-r0","0.9.11-r0","0.9.12-r0","0.9.2-r0","0.9.3-r0","0.9.4-r0","0.9.5-r0","0.9.6-r0","0.9.7-r0","0.9.9-r0","1-r0","1-r1","1-r2","1-r3","1.0.1-r0","1.0.2-r0","1.2.1-r0","1.2.1-r1","1.2.2-r0","1.2.2-r1","1.3.0-r0","1.3.0-r1","1.3.0-r2","1.3.1-r0","1.3.10-r0","1.3.11-r0","1.3.12-r0","1.3.2-r0","1.3.3-r0","1.3.4-r0","1.3.4-r1","1.3.5-r0","1.3.6-r0","1.3.7-r0","1.3.8-r0","1.3.9-r0","1.4.0-r0","1.4.1-r0","1.4.2-r0","1.5.0-r0","1.5.0-r1","1.5.1-r0","1.5.2-r0","1.5.3-r0","1.5.4-r0","1.6.0-r0","1.6.1-r0","1.6.1-r1","1.6.3-r0","1.6.3-r1","1.6.3-r2","1.7.0-r0","1.7.0-r1","1.7.1-r0","1.7.2-r0","1.7.3-r0","1.7.4-r0","1.8.0-r0","1.9.0-r0","1.9.1-r0","1.9.2-r0","1.9.2-r1","1.9.3-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"}]}],"versions":["0.1.1-r0","0.1.1-r1","0.1.1-r2","0.8-r0","0.8-r1","0.8.10-r0","0.8.11-r0","0.8.12-r0","0.8.8-r0","0.8.9-r0","0.9.0-r0","0.9.1-r0",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