{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"Glibc DNS Resolver Vulnerability"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2015-7547","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-03-11T22:26:32.745Z","generator":{"date":"2026-03-11T22:26:32.745Z","engine":{"name":"Vulnogram","version":"0.0.9"}},"id":"CVE-2015-7547","initial_release_date":"2016-08-15T19:00:00.000Z","revision_history":[{"number":"1","date":"2026-03-11T15:26:32.000Z","summary":"Initial release"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[]}]},"vulnerabilities":[{"cve":"CVE-2015-7547","product_status":{"fixed":["PANW-PAN-OS-441","PANW-PAN-OS-443","PANW-PAN-OS-445","PANW-PAN-OS-453","PANW-PAN-OS-455","PANW-PAN-OS-457"],"known_affected":["PANW-PAN-OS-440","PANW-PAN-OS-442","PANW-PAN-OS-444","PANW-PAN-OS-452","PANW-PAN-OS-454","PANW-PAN-OS-456"]},"notes":[{"category":"description","text":"A vulnerability in the GNU libc (glibc) DNS resolver allows remote code execution (CVE-2015-7547). However, this issue can be exploited only from a DNS server that is under the control of an attacker. (Ref # 91886).\nThis glibc issue is only exploitable by an attacker controlling the DNS server configured for the device. Furthermore, the attacker must overcome additional anti-exploitation mitigations, such as ASLR, to mount a successful attack.\nThis issue affects PAN-OS 5.0.19 and earlier; PAN-OS 5.1.12 and earlier; PAN-OS 6.0.14 and earlier; PAN-OS 6.1.12 and earlier; PAN-OS 7.0.7 and earlier; PAN-OS 7.1.3 and earlier"}],"references":[{"category":"external","summary":"NVD - CVE-2015-7547","url":"https://nvd.nist.gov/vuln/detail/CVE-2015-7547"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2015-7547","url":"https://security.paloaltonetworks.com/CVE-2015-7547"}],"threats":[{"category":"impact","description":"A vulnerability in the GNU libc (glibc) DNS resolver allows remote code execution (CVE-2015-7547). However, this issue can be exploited only from a DNS server that is under the control of an attacker. (Ref # 91886).\nThis glibc issue is only exploitable by an attacker controlling the DNS server configured for the device. Furthermore, the attacker must overcome additional anti-exploitation mitigations, such as ASLR, to mount a successful attack.\nThis issue affects PAN-OS 5.0.19 and earlier; PAN-OS 5.1.12 and earlier; PAN-OS 6.0.14 and earlier; PAN-OS 6.1.12 and earlier; PAN-OS 7.0.7 and earlier; PAN-OS 7.1.3 and earlier"}],"scores":[{"cvss_v3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH"},"products":["PANW-PAN-OS-440","PANW-PAN-OS-442","PANW-PAN-OS-444","PANW-PAN-OS-452","PANW-PAN-OS-454","PANW-PAN-OS-456"]}]}]}