Vulnerability · Published Jul 18, 2023 · Assigned by mitre
CVE-2021-33294
Medium 5.5
In plain English
A medium-severity security flaw in the elfutils package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 73.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | elfutils | 0.185-2 | DEBIAN-CVE-2021-33294 |
| Debian:13 | elfutils | 0.185-2 | DEBIAN-CVE-2021-33294 |
| Debian:14 | elfutils | 0.185-2 | DEBIAN-CVE-2021-33294 |