| Name | CVE-2020-24821 |
| Description | A vulnerability in the dwarf::cursor::skip_form function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1014122 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libelfin (PTS) | bullseye | 0.3-2.1 | vulnerable |
| bookworm | 0.3-3 | vulnerable |
| sid, trixie | 0.3-5 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libelfin | source | (unstable) | (unfixed) | | | 1014122 |
Notes
[bookworm] - libelfin <ignored> (Minor issue)
[bullseye] - libelfin <no-dsa> (Minor issue)
[buster] - libelfin <no-dsa> (Minor issue)
[stretch] - libelfin <no-dsa> (Minor issue)
https://github.com/aclements/libelfin/issues/52
https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-dwarfcursorskip_form-at-dwarfcursorcc191