9.8

CVE-2021-38297: fedoraproject fedora

Modified
AliasesSUSE-SU-2021:3487-1SUSE-SU-2021:3488-1UBUNTU-CVE-2021-38297
Published 18-10-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-38297 is a critical (CVSS 9.8) vulnerability in fedoraproject fedora. EPSS estimates a 10.96% chance of exploitation in the next 30 days, higher than 95.8% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 11% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
10.96%
0%100%
Medium · +0.09 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 8 · Related 4
DLA-3395-1MGASA-2021-0475RHSA-2022:0432RHSA-2022:1819SUSE-SU-2023:0600-1SUSE-SU-2023:0601-1

Timeline

  1. 18-10-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Go before 1.16.9 and 1.17.x before 1.17.2 has a Buffer Overflow via large arguments in a function invocation from a WASM module, when GOARCH=wasm GOOS=js is used.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

10.96%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

Increase +0.09 pp

From 10.87% 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.

Opensuse7 products
  • go1.16&distro=openSUSE Leap 15.2< 1.16.9-lp152.14.1
  • go1.16&distro=openSUSE Leap 15.3< 1.16.9-1.29.1
  • go1.16&distro=openSUSE Tumbleweed< 1.16.9-1.1
  • go1.17&distro=openSUSE Leap 15.3< 1.17.2-1.6.2
  • go1.17&distro=openSUSE Tumbleweed< 1.17.2-1.1
Ubuntu7 products
  • golang-1.10All versions (No fix recorded)
  • golang-1.13All versions (No fix recorded)
  • golang-1.14All versions (No fix recorded)
  • golang-1.16All versions (No fix recorded)
  • golang-1.6All versions (No fix recorded)
Suse4 products
  • go1.16&distro=SUSE Linux Enterprise Module for Development Tools 15 SP2< 1.16.9-1.29.1
  • go1.16&distro=SUSE Linux Enterprise Module for Development Tools 15 SP3< 1.16.9-1.29.1
  • go1.17&distro=SUSE Linux Enterprise Module for Development Tools 15 SP2< 1.17.2-1.6.2
  • go1.17&distro=SUSE Linux Enterprise Module for Development Tools 15 SP3< 1.17.2-1.6.2
Alpine1 product
  • go≥ 1.17.0, < 1.17.2-r0
Debian1 product
  • golang-1.15< 1.15.15-1~deb11u2
Fedoraproject1 product
Go1 product
  • toolchain≥ 1.17.0-0, < 1.17.2
Golang1 product
  • go< 1.16.9 | ≥ 1.17.0, < 1.17.2

8 vendors · 23 products

References

25 links
Show all 25 references