MediumFix available
pkgconf — security advisory
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.
- Products
- pkgconf
- Affected versions
- Not specified
- Fixed versions
- 1.7.4-r1, 1.8.1-r0, 1.9.4-r0
- CVEs
- CVE-2023-24056
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 14:55 UTC · Revision 1
Source evidence
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.
osv:ALPINE-CVE-2023-24056
pkgconf
Fixed versions: 1.7.4-r1
pkgconf
Fixed versions: 1.8.1-r0
pkgconf
Fixed versions: 1.8.1-r0
pkgconf
Fixed versions: 1.9.4-r0
pkgconf
Fixed versions: 1.9.4-r0
pkgconf
Fixed versions: 1.9.4-r0
pkgconf
Fixed versions: 1.9.4-r0
pkgconf
Fixed versions: 1.9.4-r0
pkgconf
Fixed versions: 1.9.4-r0
pkgconf
Fixed versions: 1.9.4-r0
pkgconf
Fixed versions: 1.9.4-r0
Complete source record
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"id": "9872978b9c998c90c1008e8d96b5ca8b554ddaa032b254d5bf0c0339015bebea",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2023-24056",
"method": "structured",
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"summary": "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.",
"evidence": "osv:ALPINE-CVE-2023-24056",
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"severity": "medium",
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"aliases": [
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"modified": "2026-10-26T17:17:58.611584258Z",
"provider": "osv",
"upstream": [
"CVE-2023-24056"
],
"references": [
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},
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"security_relevant": true,
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"source_id": "core-osv",
"document_id": 454387,
"published_at": "2023-01-22T04:15:11.617+00:00"
}