Vulnerability · Published May 26, 2021 · Assigned by redhat
CVE-2021-3549
High 7.1
In plain English
A high-severity memory corruption in binutils. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.1High
Exploit odds (30 days)1.0%top 37.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An out of bounds flaw was found in GNU binutils objdump utility version 2.36. An attacker could use this flaw and pass a large section to avr_elf32_load_records_from_section() probably resulting in a crash or in some cases memory corruption. The highest threat from this vulnerability is to integrity as well as system availability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | binutils | 2.37-3 | DEBIAN-CVE-2021-3549 |
| Debian:13 | binutils | 2.37-3 | DEBIAN-CVE-2021-3549 |
| Debian:14 | binutils | 2.37-3 | DEBIAN-CVE-2021-3549 |
| Ubuntu:22.04:LTS | binutils | 2.37-7ubuntu1 | UBUNTU-CVE-2021-3549 |
Affected products (as reported)
Weakness: CWE-119
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1960717 x_refsource_MISC
- GLSA-202208-30 vendor-advisory, x_refsource_GENTOO
- https://security.netapp.com/advisory/ntap-20250228-0005/