5.9

CVE-2017-15671: gnu glibc

Modified
AliasesSUSE-SU-2018:4067-1UBUNTU-CVE-2017-15671DEBIAN-CVE-2017-15671
Published 20-10-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-15671 is a medium (CVSS 5.9) vulnerability in gnu glibc. EPSS estimates a 1.43% chance of exploitation in the next 30 days, higher than 73% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.9/10
010
Medium · v3.0 (NVD)
EPSS score
1.43%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 3
MGASA-2017-0464MGASA-2017-0470SUSE-SU-2018:0074-1SUSE-SU-2018:2185-1SUSE-SU-2018:2187-1

Timeline

  1. 20-10-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator with a long user name, potentially leading to a denial of service (memory leak).

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.43%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.43% 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

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Suse6 products
  • glibc&distro=SUSE Linux Enterprise Point of Sale 11 SP3< 2.11.3-17.110.24.2
  • glibc&distro=SUSE Linux Enterprise Server 11 SP3-LTSS< 2.11.3-17.110.24.2
  • glibc&distro=SUSE Linux Enterprise Server 11 SP3-TERADATA< 2.11.3-17.110.24.2
  • glibc&distro=SUSE Linux Enterprise Server 11 SP4< 2.11.3-17.110.24.2
  • glibc&distro=SUSE Linux Enterprise Server for SAP Applications 11 SP4< 2.11.3-17.110.24.2
Debian1 product
  • glibc< 2.25-3
Gnu1 product
Ubuntu1 product
  • eglibcAll versions (No fix recorded)

4 vendors · 9 products

References

10 links