Vulnerability record · CVE-2021-35515 · published 13 July 2021

CVE-2021-35515: Apache commons compress vulnerability

Apache · Commons Compress

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.

7.5 CVSS 3.1 High EPSS 12% · top 4.1% CWE-834 · CWE-834CWE-835 · CWE-835

7.5CVSS 3.1 base score, v2 5.0

12%EPSS exploitation probability, 30 days

NoNot in CISA KEV

26Affected product versions listed by NVD

42References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

26 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Commons Compress Apache NActive Iq Unified Manager Netapp NOncommand Insight Netapp

Banking Digital Experience Oracle

Banking Enterprise Default Management Oracle

Banking Party Management Oracle

Banking Payments Oracle

Banking Trade Finance Oracle

Banking Treasury Management Oracle

Business Process Management Suite Oracle

Commerce Guided Search Oracle

Communications Billing And Revenue Management Oracle

Communications Cloud Native Core Automated Test Suite Oracle

Communications Cloud Native Core Service Communication Proxy Oracle

Communications Cloud Native Core Unified Data Repository Oracle

Communications Diameter Intelligence Hub Oracle

Communications Messaging Server Oracle

Communications Session Route Manager Oracle

Financial Services Crime And Compliance Management Studio Oracle

Financial Services Enterprise Case Management Oracle

Flexcube Universal Banking Oracle

Healthcare Data Repository Oracle

Insurance Policy Administration Oracle

Peoplesoft Enterprise Peopletools Oracle

Primavera Unifier Oracle

Utilities Testing Accelerator Oracle

References

Link	Tags
http://www.openwall.com/lists/oss-security/2021/07/13/1	Mailing ListThird Party Advisory
https://commons.apache.org/proper/commons-compress/security-reports.html	Vendor Advisory
https://lists.apache.org/thread.html/r19ebfd71770ec0617a9ea180e321ef927b3fefb4c81ec5d1902d20ab%40%3Cuser.commons.apache.	Vendor Advisory
https://lists.apache.org/thread.html/r67ef3c07fe3b8c1b02d48012149d280ad6da8e4cec253b527520fb2b%40%3Cdev.poi.apache.org%3
https://lists.apache.org/thread.html/r9f54c0caa462267e0cc68b49f141e91432b36b23348d18c65bd0d040%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rab292091eadd1ecc63c516e9541a7f241091cf2e652b8185a6059945%40%3Ccommits.druid.apache
https://lists.apache.org/thread.html/racd0c0381c8404f298b226cd9db2eaae965b14c9c568224aa3f437ae%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rb064d705fdfa44b5dae4c366b369ef6597951083196321773b983e71%40%3Ccommits.pulsar.apach
https://lists.apache.org/thread.html/rb6e1fa80d34e5ada45f72655d84bfd90db0ca44ef19236a49198c88c%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rb7adf3e55359819e77230b4586521e5c6874ce5ed93384bdc14d6aee%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rba65ed5ddb0586f5b12598f55ec7db3633e7b7fede60466367fbf86a%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rbaea15ddc5a7c0c6b66660f1d6403b28595e2561bb283eade7d7cd69%40%3Cannounce.apache.org%
https://lists.apache.org/thread.html/rbe91c512c5385181149ab087b6c909825d34299f5c491c6482a2ed57%40%3Ccommits.druid.apache
https://lists.apache.org/thread.html/rd4332baaf6debd03d60deb7ec93bee49e5fdbe958cb6800dff7fb00e%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rf2f4d7940371a7c7c5b679f50e28fc7fcc82cd00670ced87e013ac88%40%3Ccommits.druid.apache
https://lists.apache.org/thread.html/rfba19167efc785ad3561e7ef29f340d65ac8f0d897aed00e0731e742%40%3Cnotifications.skywal
https://security.netapp.com/advisory/ntap-20211022-0001/	Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html	PatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/07/13/1	Mailing ListThird Party Advisory
https://commons.apache.org/proper/commons-compress/security-reports.html	Vendor Advisory
https://lists.apache.org/thread.html/r19ebfd71770ec0617a9ea180e321ef927b3fefb4c81ec5d1902d20ab%40%3Cuser.commons.apache.	Vendor Advisory
https://lists.apache.org/thread.html/r67ef3c07fe3b8c1b02d48012149d280ad6da8e4cec253b527520fb2b%40%3Cdev.poi.apache.org%3
https://lists.apache.org/thread.html/r9f54c0caa462267e0cc68b49f141e91432b36b23348d18c65bd0d040%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rab292091eadd1ecc63c516e9541a7f241091cf2e652b8185a6059945%40%3Ccommits.druid.apache
https://lists.apache.org/thread.html/racd0c0381c8404f298b226cd9db2eaae965b14c9c568224aa3f437ae%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rb064d705fdfa44b5dae4c366b369ef6597951083196321773b983e71%40%3Ccommits.pulsar.apach
https://lists.apache.org/thread.html/rb6e1fa80d34e5ada45f72655d84bfd90db0ca44ef19236a49198c88c%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rb7adf3e55359819e77230b4586521e5c6874ce5ed93384bdc14d6aee%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rba65ed5ddb0586f5b12598f55ec7db3633e7b7fede60466367fbf86a%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rbaea15ddc5a7c0c6b66660f1d6403b28595e2561bb283eade7d7cd69%40%3Cannounce.apache.org%
https://lists.apache.org/thread.html/rbe91c512c5385181149ab087b6c909825d34299f5c491c6482a2ed57%40%3Ccommits.druid.apache
https://lists.apache.org/thread.html/rd4332baaf6debd03d60deb7ec93bee49e5fdbe958cb6800dff7fb00e%40%3Cnotifications.skywal
https://lists.apache.org/thread.html/rf2f4d7940371a7c7c5b679f50e28fc7fcc82cd00670ced87e013ac88%40%3Ccommits.druid.apache
https://lists.apache.org/thread.html/rfba19167efc785ad3561e7ef29f340d65ac8f0d897aed00e0731e742%40%3Cnotifications.skywal
https://security.netapp.com/advisory/ntap-20211022-0001/	Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html	PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-35515), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.