CVE coverage
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CVE-2015-7547
CVSS 8.1
8 detections found
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.
Detection rules
| Source | Rule | Status | Updated |
|---|---|---|---|
| snort | ET RETIRED Possible 2015-7547 Malformed Server response | rev 2 | 2026-07-30 |
| suricata | ET RETIRED Possible 2015-7547 Malformed Server response | rev 2 | 2026-07-30 |
| snort | ET EXPLOIT Possible CVE-2015-7547 Large Response to A/AAAA query | rev 2 | 2026-07-15 |
| suricata | ET EXPLOIT Possible CVE-2015-7547 Large Response to A/AAAA query | rev 3 | 2026-07-15 |
| suricata | ET EXPLOIT Possible CVE-2015-7547 Long Response to A lookup | rev 1 | 2019-07-26 |
| suricata | ET EXPLOIT Possible CVE-2015-7547 Long Response to AAAA lookup | rev 1 | 2019-07-26 |
| snort | ET EXPLOIT Possible CVE-2015-7547 Long Response to AAAA lookup | rev 1 | 2016-02-18 |
| snort | ET EXPLOIT Possible CVE-2015-7547 Long Response to A lookup | rev 1 | 2016-02-18 |