CVE-2021-39293: golang go
Vulnerability summary
CVE-2021-39293 is a high (CVSS 7.5) vulnerability in golang go. EPSS estimates a 6.93% chance of exploitation in the next 30 days, higher than 94.1% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 7% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 1Timeline
- 24-01-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In archive/zip in Go before 1.16.8 and 1.17.x before 1.17.1, a crafted archive header (falsely designating that many files are present) can cause a NewReader or OpenReader panic. NOTE: this issue exists because of an incomplete fix for CVE-2021-33196.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
6.93%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 6.93% 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 causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse4 products
- go1.16&distro=SUSE Linux Enterprise Module for Development Tools 15 SP2< 1.16.8-1.26.1
- go1.16&distro=SUSE Linux Enterprise Module for Development Tools 15 SP3< 1.16.8-1.26.1
- go1.17&distro=SUSE Linux Enterprise Module for Development Tools 15 SP2< 1.17.1-1.3.1
- go1.17&distro=SUSE Linux Enterprise Module for Development Tools 15 SP3< 1.17.1-1.3.1
Opensuse3 products
- go1.16&distro=openSUSE Leap 15.2< 1.16.8-lp152.11.1
- go1.16&distro=openSUSE Leap 15.3< 1.16.8-1.26.1
- go1.17&distro=openSUSE Tumbleweed< 1.17.1-1.1
Ubuntu2 products
- golang-1.16All versions (No fix recorded)
- golang-1.8All versions (No fix recorded)
Alpine1 product
- go≥ 1.17.0, < 1.16.8-r0 | ≥ 1.17.0, < 1.17.1-r0
Debian1 product
- golang-1.15< 1.15.15-1~deb11u1
Go1 product
- stdlib≥ 1.17.0-0, < 1.17.1
Golang1 product
- go< 1.16.8 | ≥ 1.17.0, < 1.17.1
Netapp1 product
8 vendors · 14 products
References
22 links- security.netapp.com/advisory/ntap-20220217-0009/Third Party Advisory
Show all 22 references
- go.dev/issue/47801REPORT
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory