High
libcommons-compress-java — security advisory
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.
- Products
- libcommons-compress-java
- Affected versions
- 1.10-1, 1.10-2, 1.13-1, 1.13-2, 1.18-1~18.04, 1.18-3, 1.19-1, 1.20-1, 1.21-1, 1.23.0-1, 1.24.0-1, 1.25.0-1, 1.27.1-2, 1.9-1
- Fixed versions
- Not specified
- CVEs
- CVE-2021-35515
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:59 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2021-35515
libcommons-compress-java
Fixed versions: Not specified
libcommons-compress-java
Fixed versions: Not specified
libcommons-compress-java
Fixed versions: Not specified
libcommons-compress-java
Fixed versions: Not specified
libcommons-compress-java
Fixed versions: Not specified
libcommons-compress-java
Fixed versions: Not specified
libcommons-compress-java
Fixed versions: Not specified
libcommons-compress-java
Fixed versions: Not specified
Complete source record
{
"id": "6acf78497a4ac14febe66bed5b02e8e3eb25899aee7d8199169ac36cf4bef859",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-35515",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2021-35515",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2021-35515",
"products": [
{
"name": {
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"evidence": "/affected/0/package/name"
},
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{
"value": "1.9-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.10-1",
"evidence": "/affected/0/versions"
},
{
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"evidence": "/affected/0/versions"
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]
},
{
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"affected_versions": [
{
"value": "1.13-1",
"evidence": "/affected/1/versions"
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{
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{
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{
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{
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"affected_versions": [
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{
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{
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"affected_versions": [
{
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"evidence": "/affected/4/versions"
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{
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"evidence": "/affected/4/versions"
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{
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},
{
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},
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"affected_versions": [
{
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}
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},
{
"name": {
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"evidence": "/affected/6/package/name"
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{
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"affected_versions": [
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],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2021-35515",
"aliases": [
"UBUNTU-CVE-2021-35515"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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],
"package": {
"name": "libcommons-compress-java",
"purl": "pkg:deb/ubuntu/libcommons-compress-java?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"1.9-1",
"1.10-1",
"1.10-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-35515.json"
},
"ecosystem_specific": {
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"binary_version": "1.10-2"
}
]
}
},
{
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"package": {
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"purl": "pkg:deb/ubuntu/libcommons-compress-java?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"1.13-1",
"1.13-2",
"1.18-1~18.04"
],
"database_specific": {
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},
"ecosystem_specific": {
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{
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{
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],
"package": {
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"purl": "pkg:deb/ubuntu/libcommons-compress-java?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"1.18-3",
"1.19-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-35515.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcommons-compress-java",
"binary_version": "1.19-1"
}
]
}
},
{
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{
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],
"package": {
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"purl": "pkg:deb/ubuntu/libcommons-compress-java?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1.20-1",
"1.21-1"
],
"database_specific": {
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"ecosystem_specific": {
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"package": {
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"purl": "pkg:deb/ubuntu/libcommons-compress-java?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1.23.0-1",
"1.24.0-1",
"1.25.0-1"
],
"database_specific": {
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"purl": "pkg:deb/ubuntu/libcommons-compress-java?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
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"1.27.1-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-35515.json"
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},
{
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"purl": "pkg:deb/ubuntu/libcommons-compress-java?arch=source&distro=stonking",
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},
"versions": [
"1.27.1-2"
],
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"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.27.1-2"
],
"database_specific": {
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}
],
"modified": "2026-10-17T12:56:20.336318930Z",
"provider": "osv",
"upstream": [
"CVE-2021-35515"
],
"references": [
"https://ubuntu.com/security/CVE-2021-35515",
"https://www.openwall.com/lists/oss-security/2021/07/13/1",
"https://commons.apache.org/proper/commons-compress/security-reports.html",
"https://lists.apache.org/thread.html/r19ebfd71770ec0617a9ea180e321ef927b3fefb4c81ec5d1902d20ab%40%3Cuser.commons.apache.org%3E",
"https://www.cve.org/CVERecord?id=CVE-2021-35515"
]
},
"related_cves": [
{
"value": "CVE-2021-35515",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 355322,
"published_at": "2021-07-13T08:15:00+00:00"
}