CVE-2019-1010025: gnu libc glibc Use of Insufficiently Random Values
Vulnerability summary
CVE-2019-1010025 is a medium (CVSS 5.3) Use of Insufficiently Random Values vulnerability in gnu libc glibc. EPSS estimates a 2.48% chance of exploitation in the next 30 days, higher than 84.5% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 15-07-2019PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · WolfiEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
2.48%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
Increase +0.21 pp
From 2.27% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (sourceware.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Chainguard55 products
- glibcAll versions (No fix recorded)
- glibc-2.43All versions (No fix recorded)
- glibc-2.43-abi-reportAll versions (No fix recorded)
- glibc-2.43-devAll versions (No fix recorded)
- glibc-2.43-iconvAll versions (No fix recorded)
Wolfi55 products
- glibcAll versions (No fix recorded)
- glibc-2.43All versions (No fix recorded)
- glibc-2.43-abi-reportAll versions (No fix recorded)
- glibc-2.43-devAll versions (No fix recorded)
- glibc-2.43-iconvAll versions (No fix recorded)
Debian1 product
- glibcAll versions (No fix recorded)
Gnu1 product
- glibcna
Gnu libc1 product
- glibccurrent (At least as of 2018-02-16)
5 vendors · 113 products
References
6 links- sourceware.org/bugzilla/show_bug.cgi?id=22853X Refsource MISCExploitIssue TrackingThird Party AdvisoryREPORT
- support.f5.com/csp/article/K06046097?utm_source=f5support&%3Butm_medium=RSSX Refsource CONFIRMWEB