Excessive Iteration in 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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.commons:commons-compress | < 1.21 | 1.21 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-35515
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.netapp.com/advisory/ntap-20211022-0001
- https://lists.apache.org/thread.html/rfba19167efc785ad3561e7ef29f340d65ac8f0d897aed00e0731e742@%3Cnotifications.skywalking.apache.org%3E
- https://lists.apache.org/thread.html/rf2f4d7940371a7c7c5b679f50e28fc7fcc82cd00670ced87e013ac88@%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/rd4332baaf6debd03d60deb7ec93bee49e5fdbe958cb6800dff7fb00e@%3Cnotifications.skywalking.apache.org%3E
- https://lists.apache.org/thread.html/rbe91c512c5385181149ab087b6c909825d34299f5c491c6482a2ed57@%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/rbaea15ddc5a7c0c6b66660f1d6403b28595e2561bb283eade7d7cd69@%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/rba65ed5ddb0586f5b12598f55ec7db3633e7b7fede60466367fbf86a@%3Cnotifications.skywalking.apache.org%3E
- https://lists.apache.org/thread.html/rb7adf3e55359819e77230b4586521e5c6874ce5ed93384bdc14d6aee@%3Cnotifications.skywalking.apache.org%3E
- https://lists.apache.org/thread.html/rb6e1fa80d34e5ada45f72655d84bfd90db0ca44ef19236a49198c88c@%3Cnotifications.skywalking.apache.org%3E
- https://lists.apache.org/thread.html/rb064d705fdfa44b5dae4c366b369ef6597951083196321773b983e71@%3Ccommits.pulsar.apache.org%3E
- https://lists.apache.org/thread.html/racd0c0381c8404f298b226cd9db2eaae965b14c9c568224aa3f437ae@%3Cnotifications.skywalking.apache.org%3E
- https://lists.apache.org/thread.html/rab292091eadd1ecc63c516e9541a7f241091cf2e652b8185a6059945@%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/r9f54c0caa462267e0cc68b49f141e91432b36b23348d18c65bd0d040@%3Cnotifications.skywalking.apache.org%3E
- https://lists.apache.org/thread.html/r67ef3c07fe3b8c1b02d48012149d280ad6da8e4cec253b527520fb2b@%3Cdev.poi.apache.org%3E
- https://lists.apache.org/thread.html/r19ebfd71770ec0617a9ea180e321ef927b3fefb4c81ec5d1902d20ab%40%3Cuser.commons.apache.org%3E
- https://commons.apache.org/proper/commons-compress/security-reports.html
- http://www.openwall.com/lists/oss-security/2021/07/13/1
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-834, CWE-835- Platform
- Java / Kotlin (Maven)
- Package
org.apache.commons:commons-compress- Disclosed
- 02.08.2021
- Updated
- 11.10.2026 12:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-7hfm-57qf-j43q - CC BY 4.0
Vulnerability history: org.apache.commons:commons-compress
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 11
- First → latest
- 10.2018 02.2024
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 5
- Medium 6
Disclosures per year
- 2018: 1
- 2019: 2
- 2020: 0
- 2021: 4
- 2022: 1
- 2023: 1
- 2024: 2
- 2025: 0
- 2026: 0
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