8.8

CVE-2019-1010023: gnu libc glibc

Modified
AliasesUBUNTU-CVE-2019-1010023DEBIAN-CVE-2019-1010023CGA-23vf-qmrf-3c4r
Published 15-07-2019Last modified 14-10-2026

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.

Priority
Routine

Not severe (CVSS 5.4, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
3.07%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 0 · Related 2

Timeline

  1. 15-07-2019
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last 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

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

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (sourceware.org)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

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
Gnu libc1 product
  • glibccurrent (At least as of 2018-02-16)

6 vendors · 115 products

References

7 links