C
CVE Numbering Authority

glibc

74.12/100 over 16 records in the last 180 days · 63.36/100 over 33 all-time
The rules, last 180 days Share of the records earning each credit, and the points it is worth.

Describe: can a reader tell what the vulnerability is?

24.69 / 25
Description
An English description that is not a placeholder: full credit from 200 characters, 0.7 from 80, 0.4 from 40, none below.
100% · 10.0/10
Title
A title.
94% · 4.69/5
Cwe
A weakness as a CWE identifier in problemTypes; a free-text problem type without one earns a quarter.
100% · 10.0/10

Scope: can a reader tell whether they are affected?

18.0 / 25
Affected
An affected entry naming both a vendor and a product; one side missing or 'n/a' earns half.
100% · 10.0/10
Versions
An affected entry stating versions, as a version or a bound; a defaultStatus alone earns half.
100% · 8.0/8
Cpe
A CPE on an affected entry, or a cpeApplicability block.
0% · 0.0/7

Assess: can a reader tell how bad it is?

16.56 / 25
Severity
A severity statement in the CNA container: a CVSS v3 or v4 vector, an SSVC decision, or a vendor rating as an 'other' metric. A CVSS v2 vector alone earns half.
75% · 11.25/15
Modern severity
A CVSS v4 vector or an SSVC decision.
12% · 0.62/5
Impacts
An impacts entry (a CAPEC identifier or an impact description).
94% · 4.69/5

Act: can a reader tell what to do about it?

14.88 / 25
References
At least one reference.
100% · 7.0/7
Reference tags
At least one reference carrying tags.
88% · 4.38/5
Remediation
A reference tagged 'patch'; one tagged 'vendor-advisory', 'mitigation' or 'release-notes' earns 0.6.
44% · 3.5/8
Solutions
A solution or a workaround.
0% · 0.0/5
Context, not score
Severity supplied by an ADP
25% (4 records)
Weakness supplied by an ADP
0% (0 records)
No severity statement
25%
Descriptions under 100 characters
0%
Known exploited
0
Reservation to publication
median 22.8 days · p90 111.2 days
Rejected records
1
Score per publication year
2024: 54.0 (5 records) 2025: 50.0 (5 records) 2026: 68.3 (23 records)
202668.323
202550.05
202454.05
Badge

Embed the current grade; it follows the rolling window and reads "unranked" under the threshold.

[![glibc scorecard](https://vulnerability.circl.lu/assigners/glibc/badge.svg)](https://vulnerability.circl.lu/assigners/glibc)