An issue was discovered in the size of the default stack guard page on PAX Linux (originally from GRSecurity but shipped by other Linux vendors), specifically the default stack guard page is not sufficiently large and can be "jumped" over (the stack guard page is bypassed), this affects PAX Linux Kernel versions as of June 19, 2017 (specific version information is not available at this time).
CVE-2017-1000377
MEDIUMNVD 5.95.9—
EchelonGraph scoreMEDIUM confidence
Score 5.9 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 5.9; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.9Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.9
- EG Score
- 5.9(medium)
- EPSS
- 30.8%
- KEV
- Not listed
Published
June 19, 2017
Last Modified
May 13, 2026
References (6)
- cve@mitrehttp://www.securityfocus.com/bid/99129
- cve@mitrehttps://access.redhat.com/security/cve/CVE-2017-1000377
- cve@mitrehttps://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/99129
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2017-1000377
- af854a3a-2127-422b-91ae-364da2661108https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
Data Freshness Timeline
(refreshed 10× in last 7d / 36× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-05-22 12:24 UTCEG score recompute
- 2026-05-22 12:24 UTCGHSA enrichment
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- 2026-05-18 21:30 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2017-1000377?
CVE-2017-1000377 is a medium vulnerability published on June 19, 2017. An issue was discovered in the size of the default stack guard page on PAX Linux (originally from GRSecurity but shipped by other Linux vendors), specifically the default stack guard page is not sufficiently large and can be "jumped" over (the stack guard page is bypassed), this affects PAX Linux…
When was CVE-2017-1000377 disclosed?
CVE-2017-1000377 was first published in the National Vulnerability Database on June 19, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-1000377 actively exploited?
CVE-2017-1000377 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-1000377?
CVE-2017-1000377 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2017-1000377?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-1000377, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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