CVE-2015-7547
HIGH8.1EPSS 93.9%glibc - security update
Published: 2/18/2016Modified: 4/28/2026
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.
Affected packages (3)
- Debian/eglibcfrom 0, < 2.11.3-4+deb6u11
- Debian/glibcfrom 0, < 2.21-8
- Debian/glibcfrom 0, < 2.19-18+deb8u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |