Vulnerabilities

Vulnerability · CVE-2019-1010023

GNU Libc current is affected by: Re-mapping current loaded library with malicious ELF file.

Published Jul 15, 2019 · catalog updated Oct 14, 2026 · GNU Libc current is

Check if you run it

No confirmed exploitation is on record for CVE-2019-1010023. EPSS is 3.07%. Act only if a listed version of GNU Libc current is is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (GNU Libc current is).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
3.07%
Remediation
Advisory link
Affected products
cpe gnu/glibc

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe gnu/glibcversion unspecified

How to fix CVE-2019-1010023

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2019-1010023. EPSS is 3.07%. Act only if a listed version of GNU Libc current is is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 3.07%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 15, 2019 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2019-1010023

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-1010023

    30-day exploitation probability 3.1%

    first.org
  • NIST NVDVulnerability recordCVE-2019-1010023

    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 co

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.