7.5

CVE-2021-41772: fedoraproject fedora Improper Input Validation

Modified
AliasesUBUNTU-CVE-2021-41772GO-2021-0264BIT-golang-2021-41772
Published 08-11-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-41772 is a high (CVSS 7.5) Improper Input Validation vulnerability in fedoraproject fedora. EPSS estimates a 3.25% chance of exploitation in the next 30 days, higher than 88.3% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
3.25%
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 12 · Related 7

Timeline

  1. 08-11-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Go before 1.16.10 and 1.17.x before 1.17.3 allows an archive/zip Reader.Open panic via a crafted ZIP archive containing an invalid name or an empty filename field.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.25%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.25% 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.

Ubuntu3 products
  • golang-1.16All versions (No fix recorded)
  • golang-1.17All versions (No fix recorded)
  • golang-1.8All versions (No fix recorded)
Alpine1 product
  • go≥ 1.17.0, < 1.16.10-r0 | ≥ 1.17.0, < 1.17.3-r0
Fedoraproject1 product
Go1 product
  • stdlib≥ 1.17.0-0, < 1.17.3
Golang1 product
  • go< 1.16.10 | ≥ 1.17.0, < 1.17.3
Oracle1 product

6 vendors · 8 products

References

17 links
Show all 17 references