CVE-2021-37136
HIGH7.5EPSS 1.2%Bzip2Decoder doesn't allow setting size restrictions for decompressed data
Published: 9/9/2021Modified: 4/28/2026
Description
The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocation size used during decompression). All users of Bzip2Decoder are affected. The malicious input can trigger an OOME and so a DoS attack
Affected packages (6)
- Debian/nettyfrom 0, < 1:4.1.48-4+deb11u1
- Debian/nettyfrom 0, < 1:4.1.33-1+deb10u3
- Debian/nettyfrom 0, < 1:4.1.48-4+deb11u1
- Maven/io.netty:nettyfrom 0
- Maven/io.netty:netty-codecfrom 0, < 4.1.68.Final
- Maven/org.jboss.netty:nettyfrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (20)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-37136
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-37136
- PATCHhttps://github.com/netty/netty
- WEBhttps://github.com/netty/netty/blob/4.1/codec/src/main/java/io/netty/handler/codec/compression/Bzip2Decoder.java#L294
- WEBhttps://github.com/netty/netty/blob/4.1/codec/src/main/java/io/netty/handler/codec/compression/Bzip2Decoder.java#L305
- WEBhttps://github.com/netty/netty/blob/4.1/codec/src/main/java/io/netty/handler/codec/compression/Bzip2Decoder.java#L80
- WEBhttps://github.com/netty/netty/commit/41d3d61a61608f2223bb364955ab2045dd5e4020
- WEBhttps://github.com/netty/netty/security/advisories/GHSA-grg4-wf29-r9vv
- WEBhttps://lists.apache.org/thread.html/r06a145c9bd41a7344da242cef07977b24abe3349161ede948e30913d@%3Ccommits.druid.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/r5406eaf3b07577d233b9f07cfc8f26e28369e6bab5edfcab41f28abb@%3Ccommits.druid.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/r5e05eba32476c580412f9fbdfc9b8782d5b40558018ac4ac07192a04@%3Ccommits.druid.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/r75490c61c2cb7b6ae2c81238fd52ae13636c60435abcd732d41531a0@%3Ccommits.druid.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/rd262f59b1586a108e320e5c966feeafbb1b8cdc96965debc7cc10b16@%3Ccommits.druid.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/rfb2bf8597e53364ccab212fbcbb2a4e9f0a9e1429b1dc08023c6868e@%3Cdev.tinkerpop.apache.org%3E
- WEBhttps://lists.debian.org/debian-lts-announce/2023/01/msg00008.html
- WEBhttps://security.netapp.com/advisory/ntap-20220210-0012
- WEBhttps://www.debian.org/security/2023/dsa-5316
- WEBhttps://www.oracle.com/security-alerts/cpuapr2022.html
- WEBhttps://www.oracle.com/security-alerts/cpujan2022.html
- WEBhttps://www.oracle.com/security-alerts/cpujul2022.html