CVE-2015-7547
Publication date 16 February 2016
Last updated 25 August 2025
Ubuntu priority
Description
Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the libresolv library in the GNU C Library (aka glibc or libc6) before 2.23 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted DNS response that triggers a call to the getaddrinfo function with the AF_UNSPEC or AF_INET6 address family, related to performing "dual A/AAAA DNS queries" and the libnss_dns.so.2 NSS module.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| eglibc | ||
| 14.04 LTS trusty |
Fixed in 2.19-0ubuntu6.7
|
|
| glibc | ||
| 14.04 LTS trusty | Not in release | |
Notes
jdstrand
stable-phone-overlay will be updated in OTA 9.1 tyhicks alerted the Snappy team for an emergency update
Severity score breakdown
CVSS version: CVSS v3.0
Base score
8.1 · High
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Related Ubuntu Security Notices (USN)
- USN-2900-1
- GNU C Library vulnerability
- 16 February 2016