ubuntu-cve-2021-35515
Vulnerability from osv_ubuntu
Published
2021-07-13 08:15
Modified
2026-05-20 14:53
Summary
Details
When reading a specially crafted 7Z archive, the construction of the list of codecs that decompress an entry can result in an infinite loop. This could be used to mount a denial of service attack against services that use Compress' sevenz package.
Severity
7.5 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcommons-compress-java",
"binary_version": "1.10-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "libcommons-compress-java",
"purl": "pkg:deb/ubuntu/libcommons-compress-java@1.10-2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.9-1",
"1.10-1",
"1.10-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcommons-compress-java",
"binary_version": "1.18-1~18.04"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "libcommons-compress-java",
"purl": "pkg:deb/ubuntu/libcommons-compress-java@1.18-1~18.04?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.13-1",
"1.13-2",
"1.18-1~18.04"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcommons-compress-java",
"binary_version": "1.19-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "libcommons-compress-java",
"purl": "pkg:deb/ubuntu/libcommons-compress-java@1.19-1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.18-3",
"1.19-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcommons-compress-java",
"binary_version": "1.21-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "libcommons-compress-java",
"purl": "pkg:deb/ubuntu/libcommons-compress-java@1.21-1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.20-1",
"1.21-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcommons-compress-java",
"binary_version": "1.25.0-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libcommons-compress-java",
"purl": "pkg:deb/ubuntu/libcommons-compress-java@1.25.0-1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.23.0-1",
"1.24.0-1",
"1.25.0-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcommons-compress-java",
"binary_version": "1.27.1-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "libcommons-compress-java",
"purl": "pkg:deb/ubuntu/libcommons-compress-java@1.27.1-2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.27.1-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcommons-compress-java",
"binary_version": "1.27.1-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "libcommons-compress-java",
"purl": "pkg:deb/ubuntu/libcommons-compress-java@1.27.1-2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.27.1-2"
]
}
],
"aliases": [],
"details": "When reading a specially crafted 7Z archive, the construction of the list of codecs that decompress an entry can result in an infinite loop. This could be used to mount a denial of service attack against services that use Compress\u0027 sevenz package.",
"id": "UBUNTU-CVE-2021-35515",
"modified": "2026-05-20T14:53:25Z",
"published": "2021-07-13T08:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-35515"
},
{
"type": "REPORT",
"url": "https://www.openwall.com/lists/oss-security/2021/07/13/1"
},
{
"type": "REPORT",
"url": "https://commons.apache.org/proper/commons-compress/security-reports.html"
},
{
"type": "REPORT",
"url": "https://lists.apache.org/thread.html/r19ebfd71770ec0617a9ea180e321ef927b3fefb4c81ec5d1902d20ab%40%3Cuser.commons.apache.org%3E"
},
{
"type": "REPORT",
"url": "http://www.openwall.com/lists/oss-security/2021/07/13/1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-35515"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-35515"
]
}
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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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