Home/CVE/When reading a specially crafted 7Z archive, the construction of the list of codecs that decompress an entry can result
CVE

CVE-2021-35515

When reading a specially crafted 7Z archive, the construction of the list of codecs that decompress an entry can result

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.

HIGH · CVSS 7.5 EPSS 0.01191
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-834Excessive Iteration
CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
▤

Affected Products & Versions

29
apache commons compress>= 1.6 and <= 1.20
netapp active iq unified managerall versions
netapp oncommand insightall versions
oracle banking digital experience>= 18.1 and <= 18.3
oracle banking digital experienceall versions
oracle banking enterprise default managementall versions
oracle banking party managementall versions
oracle banking paymentsall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.apache.commons:commons-compress HIGH fixed in 1.21
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Jul 2021 · 08:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2024:10618-1
rhsaRHSA-2022:5532Important
rhsaRHSA-2022:5555Moderate
suse-csafopenSUSE-SU-2021:1115-1
suse-csafopenSUSE-SU-2021:2612-1
🔗

References & Sources

21
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2021/07/13/1Mailing ListThird Party Advisory
https://commons.apache.org/proper/commons-compress/security-reports.htmlVendor Advisory
https://lists.apache.org/thread.html/r19ebfd71770ec0617a9ea180e321ef927b3fefb4c81ec5d1902d20ab%40%3Cuser.commons.apache.org%3EVendor Advisory
https://lists.apache.org/thread.html/r67ef3c07fe3b8c1b02d48012149d280ad6da8e4cec253b527520fb2b%40%3Cdev.poi.apache.org%3E
https://lists.apache.org/thread.html/r9f54c0caa462267e0cc68b49f141e91432b36b23348d18c65bd0d040%40%3Cnotifications.skywalking.apache.org%3E
https://lists.apache.org/thread.html/rab292091eadd1ecc63c516e9541a7f241091cf2e652b8185a6059945%40%3Ccommits.druid.apache.org%3E
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