Buffer overflow in GNU Glibc
CVE-2019-1010022
GNU Libc current is affected by: Mitigation bypass. The impact is: Attacker may bypass stack guard protection. The component is: nptl. The attack vector is: Exploit stack buffer overflow vulnerability and use this bypass vulnerability to bypass stack guard. NOTE: Upstream comments indicate "this is being treated as a non-security bug and no real threat.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.032 (88.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: +0.000
Affected products
- GNU Glibc
- GNU C Library Glibc — versions current (At least as of 2018-02-16)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceware.org/bugzilla/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- security-tracker.debian.org/tracker/CVE-2019-1010022 (vendor-advisory)
- ubuntu.com/security/CVE-2019-1010022 (vendor-advisory)
- sourceware.org/bugzilla/show_bug.cgi
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2019-1010022?
- CVE-2019-1010022 is a critical-severity vulnerability in GNU Glibc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2019-07-15.
- How severe is CVE-2019-1010022?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-1010022 known to be exploited?
- 27 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.