CVE-2019-1010023: gnu libc glibc
Vulnerability summary
CVE-2019-1010023 is a high (CVSS 8.8) vulnerability in gnu libc glibc. EPSS estimates a 3.07% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.4, 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: Re-mapping current loaded library with malicious ELF file. The impact is: In worst case attacker may evaluate privileges. The component is: libld. The attack vector is: Attacker sends 2 ELF files to victim and asks to run ldd on it. ldd execute code. NOTE: Upstream comments indicate "this is being treated as a non-security bug and no real threat.
CVSS metrics
9 scores · 6 sources · 3 versions- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · WolfiEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
3.07%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
Increase +0.03 pp
From 3.04% 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 causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication, 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)
Ubuntu2 products
- eglibcAll versions (No fix recorded)
- glibcAll 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)
6 vendors · 115 products
References
7 links- sourceware.org/bugzilla/show_bug.cgi?id=22851X Refsource MISCExploitIssue TrackingThird Party AdvisoryREPORT
- support.f5.com/csp/article/K11932200?utm_source=f5support&%3Butm_medium=RSSX Refsource CONFIRMWEB