CVE-2021-27919: fedoraproject fedora
Vulnerability summary
CVE-2021-27919 is a medium (CVSS 5.5) vulnerability in fedoraproject fedora. EPSS estimates a 1.52% chance of exploitation in the next 30 days, higher than 74.5% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 11-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.52%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.52% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu6 products
- golang-1.10All versions (No fix recorded)
- golang-1.13All versions (No fix recorded)
- golang-1.14All versions (No fix recorded)
- golang-1.6All versions (No fix recorded)
- golang-1.8All versions (No fix recorded)
Alpine1 product
- go≥ 1.16.0, < 1.15.10-r0 | ≥ 1.16.0, < 1.16.2-r0
Fedoraproject1 product
- fedoraEOL34 | 35
Go1 product
- stdlib≥ 1.16.0-0, < 1.16.1
Golang1 product
- go≥ 1.16.0, < 1.16.1
5 vendors · 10 products
References
11 links- go.dev/issue/44916REPORT