CVE•Published 2019-05-22•Modified 2026-10-14•1 article on news•6 live references•NVD data
CVE-2018-12886Gnu · Gcc
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
82
Exploit Prediction Scoring System · top 18% of all CVEs
Description
stack_protect_prologue in cfgexpand.c and stack_protect_epilogue in function.c in GNU Compiler Collection (GCC) 4.1 through 8 (under certain circumstances) generate instruction sequences when targeting ARM targets that spill the address of the stack protector guard, which allows an attacker to bypass the protection of -fstack-protector, -fstack-protector-all, -fstack-protector-strong, and -fstack-protector-explicit against stack overflow by controlling what the stack canary is compared against.
Timeline
Published 2019-05-22
Modified 2026-10-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2018-12886Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Gnu Gcc"All exposed Gnu Gcc instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Gcc"HTTP body or banner mentions "Gcc" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2018-12886Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2018-12886Censys host search filtered to this CVE id.
grep.app
CVE-2018-12886Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2018-12886GitHub code search for direct mentions.
Google dork
"CVE-2018-12886" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.