ubuntu-cve-2009-5155
Vulnerability from osv_ubuntu
Published
2019-02-26 02:29
Modified
2026-04-22 07:37
Summary
Details
In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.
Severity
7.5 (High)
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
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{
"binary_name": "eglibc-source",
"binary_version": "2.19-0ubuntu6.15+esm4"
},
{
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},
{
"binary_name": "libc-dev-bin",
"binary_version": "2.19-0ubuntu6.15+esm4"
},
{
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},
{
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"binary_version": "2.19-0ubuntu6.15+esm4"
},
{
"binary_name": "libc6-armel",
"binary_version": "2.19-0ubuntu6.15+esm4"
},
{
"binary_name": "libc6-dev-amd64",
"binary_version": "2.19-0ubuntu6.15+esm4"
},
{
"binary_name": "libc6-dev-armel",
"binary_version": "2.19-0ubuntu6.15+esm4"
},
{
"binary_name": "libc6-dev-i386",
"binary_version": "2.19-0ubuntu6.15+esm4"
},
{
"binary_name": "libc6-dev-x32",
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},
{
"binary_name": "libc6-i386",
"binary_version": "2.19-0ubuntu6.15+esm4"
},
{
"binary_name": "libc6-pic",
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},
{
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},
{
"binary_name": "libc6-x32",
"binary_version": "2.19-0ubuntu6.15+esm4"
},
{
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"binary_version": "2.19-0ubuntu6.15+esm4"
},
{
"binary_name": "nscd",
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}
]
},
"package": {
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"name": "eglibc",
"purl": "pkg:deb/ubuntu/eglibc@2.19-0ubuntu6.15+esm4?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
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}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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"2.18-0ubuntu1",
"2.18-0ubuntu2",
"2.18-0ubuntu4",
"2.18-0ubuntu5",
"2.18-0ubuntu6",
"2.18-0ubuntu7",
"2.19-0ubuntu2",
"2.19-0ubuntu3",
"2.19-0ubuntu4",
"2.19-0ubuntu5",
"2.19-0ubuntu6",
"2.19-0ubuntu6.1",
"2.19-0ubuntu6.3",
"2.19-0ubuntu6.4",
"2.19-0ubuntu6.5",
"2.19-0ubuntu6.6",
"2.19-0ubuntu6.7",
"2.19-0ubuntu6.8",
"2.19-0ubuntu6.9",
"2.19-0ubuntu6.10",
"2.19-0ubuntu6.11",
"2.19-0ubuntu6.13",
"2.19-0ubuntu6.14",
"2.19-0ubuntu6.15",
"2.19-0ubuntu6.15+esm1",
"2.19-0ubuntu6.15+esm2",
"2.19-0ubuntu6.15+esm3",
"2.19-0ubuntu6.15+esm4"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "glibc-source",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc-bin",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc-dev-bin",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-amd64",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-armel",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-dev-amd64",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-dev-armel",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-dev-i386",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-dev-ppc64",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-dev-s390",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-dev-x32",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-i386",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-pic",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-ppc64",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-s390",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "libc6-x32",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "locales",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "locales-all",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "multiarch-support",
"binary_version": "2.23-0ubuntu11.3"
},
{
"binary_name": "nscd",
"binary_version": "2.23-0ubuntu11.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "glibc",
"purl": "pkg:deb/ubuntu/glibc@2.23-0ubuntu11.3?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.23-0ubuntu11.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.21-0ubuntu4",
"2.21-0ubuntu5",
"2.21-0ubuntu6",
"2.23-0ubuntu1",
"2.23-0ubuntu2",
"2.23-0ubuntu3",
"2.23-0ubuntu4",
"2.23-0ubuntu5",
"2.23-0ubuntu6",
"2.23-0ubuntu7",
"2.23-0ubuntu9",
"2.23-0ubuntu10",
"2.23-0ubuntu11",
"2.23-0ubuntu11.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "git-merge-changelog",
"binary_version": "20140202+stable-2+deb8u1build0.16.04.1"
},
{
"binary_name": "gnulib",
"binary_version": "20140202+stable-2+deb8u1build0.16.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "gnulib",
"purl": "pkg:deb/ubuntu/gnulib@20140202+stable-2+deb8u1build0.16.04.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
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}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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"20140202+stable-2+deb8u1build0.16.04.1"
]
},
{
"ecosystem_specific": {
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{
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"binary_version": "2.27-3ubuntu1.6+esm6"
},
{
"binary_name": "libc-bin",
"binary_version": "2.27-3ubuntu1.6+esm6"
},
{
"binary_name": "libc-dev-bin",
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},
{
"binary_name": "libc6",
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{
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"binary_version": "2.27-3ubuntu1.6+esm6"
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{
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},
{
"binary_name": "libc6-dev-amd64",
"binary_version": "2.27-3ubuntu1.6+esm6"
},
{
"binary_name": "libc6-dev-armel",
"binary_version": "2.27-3ubuntu1.6+esm6"
},
{
"binary_name": "libc6-dev-i386",
"binary_version": "2.27-3ubuntu1.6+esm6"
},
{
"binary_name": "libc6-dev-s390",
"binary_version": "2.27-3ubuntu1.6+esm6"
},
{
"binary_name": "libc6-dev-x32",
"binary_version": "2.27-3ubuntu1.6+esm6"
},
{
"binary_name": "libc6-i386",
"binary_version": "2.27-3ubuntu1.6+esm6"
},
{
"binary_name": "libc6-lse",
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},
{
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{
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},
{
"binary_name": "libc6-x32",
"binary_version": "2.27-3ubuntu1.6+esm6"
},
{
"binary_name": "locales",
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},
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},
{
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},
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}
]
},
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"purl": "pkg:deb/ubuntu/glibc@2.27-3ubuntu1.6+esm6?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
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}
],
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],
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"2.26-0ubuntu2.1",
"2.27-0ubuntu2",
"2.27-0ubuntu3",
"2.27-3ubuntu1",
"2.27-3ubuntu1.2",
"2.27-3ubuntu1.3",
"2.27-3ubuntu1.4",
"2.27-3ubuntu1.5",
"2.27-3ubuntu1.6",
"2.27-3ubuntu1.6+esm1",
"2.27-3ubuntu1.6+esm2",
"2.27-3ubuntu1.6+esm3",
"2.27-3ubuntu1.6+esm4",
"2.27-3ubuntu1.6+esm5",
"2.27-3ubuntu1.6+esm6"
]
},
{
"ecosystem_specific": {
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{
"binary_name": "git-merge-changelog",
"binary_version": "20140202+stable-2+deb8u1build0.18.04.1"
},
{
"binary_name": "gnulib",
"binary_version": "20140202+stable-2+deb8u1build0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "gnulib",
"purl": "pkg:deb/ubuntu/gnulib@20140202+stable-2+deb8u1build0.18.04.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"20140202+stable-2",
"20140202+stable-2build1",
"20140202+stable-2+deb8u1build0.18.04.1"
]
}
],
"aliases": [],
"details": "In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.",
"id": "UBUNTU-CVE-2009-5155",
"modified": "2026-04-22T07:37:34Z",
"published": "2019-02-26T02:29:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2009-5155"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4954-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2009-5155"
}
],
"related": [
"USN-4954-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "negligible",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2009-5155"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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