CVE catalog
CVE-2021-33294
elfutils: CVE-2021-33294
- Severity
- Medium · CVSS 6.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.33% · Oct 25, 2026
In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | elfutils | sid | 0.196-1 | fixed |
| Debian | elfutils | forky | 0.196-1 | fixed |
| Debian | elfutils | trixie | 0.192-4 | fixed |
| Debian | elfutils | bookworm | 0.188-2.1 | fixed |
| Cpe | elfutils | Not reported | Not reported | unknown |
| Ubuntu | elfutils | pro | 0.170-0.1 | vulnerable |
| Ubuntu | elfutils | pro | 0.170-0.2 | vulnerable |
| Ubuntu | elfutils | pro | 0.170-0.3 | vulnerable |
| Ubuntu | elfutils | pro | 0.170-0.4 | vulnerable |
| Ubuntu | elfutils | pro | 0.170-0.4ubuntu0.1 | vulnerable |
| Ubuntu | elfutils | pro | 0.170-0.4ubuntu0.1+esm1 | fixed |
| Ubuntu | elfutils | 20.04 | 0.176-1.1 | vulnerable |
| Ubuntu | elfutils | 20.04 | 0.176-1.1build1 | vulnerable |
| Ubuntu | elfutils | 20.04 | 0.176-1.1ubuntu0.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | elfutils | source | sid | 0.185-2 | unimportant | Not reported | Not reported |
| Debian | elfutils | source | forky | 0.185-2 | unimportant | Not reported | Not reported |
| Debian | elfutils | source | trixie | 0.185-2 | unimportant | Not reported | Not reported |
| Debian | elfutils | source | bookworm | 0.185-2 | unimportant | Not reported | Not reported |
| Ubuntu | elfutils | deb | pro | 0.170-0.4ubuntu0.1+esm1 | Not reported | UBUNTU-CVE-2021-33294 | Not reported |
| Ubuntu | elfutils | deb | 20.04 | 0.176-1.1ubuntu0.1 | Not reported | UBUNTU-CVE-2021-33294 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [debuginfod]Fixed
Source package: [elfutils]
Details (4)
0.188-2.1· amd64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· arm64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
- [elfutils]Fixed
Details (4)
0.188-2.1· amd64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· arm64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
- [libasm1]Fixed
Source package: [elfutils]
Details (4)
0.188-2.1· amd64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· arm64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
- [libasm-dev]Fixed
Source package: [elfutils]
Details (4)
0.188-2.1· amd64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· arm64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
- [libdebuginfod1]Fixed
Source package: [elfutils]
Details (4)
0.188-2.1· amd64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· arm64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
- [libdebuginfod-common]Fixed
Source package: [elfutils]
Details (4)
0.188-2.1· all · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· all · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· all · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· all · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
- [libdebuginfod-dev]Fixed
Source package: [elfutils]
Details (4)
0.188-2.1· amd64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· arm64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
- [libdw1]Fixed
Source package: [elfutils]
Details (4)
0.188-2.1· amd64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· arm64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
- [libdw-dev]Fixed
Source package: [elfutils]
Details (4)
0.188-2.1· amd64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· arm64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
- [libelf1]Fixed
Source package: [elfutils]
Details (4)
0.188-2.1· amd64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· arm64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
- [libelf-dev]Fixed
Source package: [elfutils]
Details (4)
0.188-2.1· amd64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.188-2.1· arm64 · bookwormFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
0.192-4~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
0.185-2dsa · elfutils · debian · bookworm
Observed:
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-398330.json]
- [https://ftp.suse.com/pub/projects/security/]
- [https://nvd.nist.gov/vuln/detail/CVE-2021-33294]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-33294]
- [https://security-tracker.debian.org/tracker/CVE-2021-33294]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-33294.json]
[CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]