Servers and applications
CVE-2015-8983
Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.
- Severity
- High 8.1
- Published
- 20 Mar 2017
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 4% in the next 30 daysHigher than 90% of CVEs. EPSS by FIRST, 11 Nov 2026
- Weakness
- Integer overflow (CWE-190)
- Attack
- Over the network · Only under certain conditions · No login needed · No user action needed
- Attacker can
- Read data · Change data · Take it down
- CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
GNU C LibraryServers and applications · cpe:a:gnu:glibc |
|