---
id: CVE-2019-1010025
title: 'GNU Libc current is affected by: Mitigation bypass'
summary: >-
  GNU Libc current is affected by: Mitigation bypass. The impact is: Attacker
  may guess the heap addresses of pthread_created thread. The component is:
  glibc. NOTE: the vendor's position is "ASLR bypass itself is not a
  vulnerability.
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-330
vendor: gnu
product: glibc
affected:
  - glibc
published: '2019-07-15'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T09:17:15.880'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2019-1010025'
references:
  - url: 'https://security-tracker.debian.org/tracker/CVE-2019-1010025'
    label: josh@bress.net
  - url: 'https://sourceware.org/bugzilla/show_bug.cgi?id=22853'
    label: josh@bress.net
  - url: 'https://support.f5.com/csp/article/K06046097'
    label: josh@bress.net
  - url: >-
      https://support.f5.com/csp/article/K06046097?utm_source=f5support&amp%3Butm_medium=RSS
    label: josh@bress.net
  - url: 'https://ubuntu.com/security/CVE-2019-1010025'
    label: josh@bress.net
  - url: 'https://security-tracker.debian.org/tracker/CVE-2019-1010025'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://sourceware.org/bugzilla/show_bug.cgi?id=22853'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://support.f5.com/csp/article/K06046097'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://support.f5.com/csp/article/K06046097?utm_source=f5support&amp%3Butm_medium=RSS
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://ubuntu.com/security/CVE-2019-1010025'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-398330.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
  - cve.org
epss: 0.02286
epssPercentile: 0.82737
ingestedAt: '2026-10-14T09:24:26.047Z'
---

## Overview

GNU Libc current is affected by: Mitigation bypass. The impact is: Attacker may guess the heap addresses of pthread_created thread. The component is: glibc. NOTE: the vendor's position is "ASLR bypass itself is not a vulnerability.

## Affected

- `glibc`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.