2.5
CVE-2021-27645
- EPSS 0.04%
- Veröffentlicht 24.02.2021 15:15:13
- Zuletzt bearbeitet 09.06.2025 15:15:25
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.04% | 0.108 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 2.5 | 1 | 1.4 |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
|
| nvd@nist.gov | 1.9 | 3.4 | 2.9 |
AV:L/AC:M/Au:N/C:N/I:N/A:P
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2.5 | 1 | 1.4 |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
|
CWE-415 Double Free
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.