| Name | CVE-2021-46179 |
| Description | Reachable Assertion vulnerability in upx before 4.0.0 allows attackers to cause a denial of service via crafted file passed to the the readx function. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| upx-ucl (PTS) | jessie | 3.91-1 | vulnerable |
| stretch | 3.91-4 | vulnerable |
| buster | 3.95-1 | vulnerable |
| bullseye | 3.96-2 | vulnerable |
| sid, trixie | 4.2.2-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| upx-ucl | source | jessie | (unfixed) | end-of-life | | |
| upx-ucl | source | stretch | (unfixed) | end-of-life | | |
| upx-ucl | source | (unstable) | 4.2.2-1 | unimportant | | |
Notes
https://github.com/upx/upx/issues/545
https://github.com/upx/upx/commit/4a9c46253e308d60b550e9f529e7d37daf978be5 (v3.99)
https://github.com/upx/upx/commit/2d6987252ef4cec9b9051e3e161977ab88b67aac (v3.99)
https://github.com/upx/upx/commit/fcdf0e92c1a2d89188ec7b50fb9b40ef51362560 (v3.99)
https://github.com/upx/upx/commit/be23f93ee6853a688fb9a920c9ee5222aa212303 (v3.99)
Crash in CLI tool, no security impact