Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2015-7547

Publication date 16 February 2016

Last updated 24 July 2024

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

8.1 · High

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
eglibc 15.10 wily Not in release
15.04 vivid Not in release
14.04 LTS trusty
Fixed 2.19-0ubuntu6.7
12.04 LTS precise
Fixed 2.15-0ubuntu10.13
glibc 15.10 wily
Fixed 2.21-0ubuntu4.1
15.04 vivid Ignored
14.04 LTS trusty Not in release
12.04 LTS precise 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

Parameter Value
Base score 8.1 · High
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H