synced 14 MIN AGO
01 Record

CVE-2021-33196

In archive/zip in Go before 1.15.13 and 1.16.x before 1.16.5, a crafted file count (in an archive's header) can cause a NewReader or OpenReader panic.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

In archive/zip in Go before 1.15.13 and 1.16.x before 1.16.5, a crafted file count (in an archive's header) can cause a NewReader or OpenReader panic.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.46% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 88.5% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-08-02 00:00Z5 YR AGO
Last updated
2024-08-03 23:42Z2 YR AGO
Reserved
2021-05-19
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-20Improper Input ValidationClass
  • CWE-400Uncontrolled Resource ConsumptionClass
Data version
5.1
Document digest
3042966bab88f6f35033314dcb2d571e1c522c6780f8e6505133daff06247e8c

05 Affected products

VendorProductVersionsPlatforms
debiandebian_linuxNot specified—
golanggoNot specified—
redhatadvanced_cluster_securityNot specified—
redhatceph_storageNot specified—
redhatcontainer_native_virtualizationNot specified—
redhatdevtoolsNot specified—
redhatenterprise_linuxNot specified—
redhatjaegerNot specified—
redhatopenshiftNot specified—
redhatopenshift_container_storageNot specified—
redhatopenstackNot specified—
redhatrhmtNot specified—
redhatserverlessNot specified—
redhatservice_meshNot specified—
redhatstfNot specified—
redhatstorageNot specified—

06 References

07 Fixed in

AlmaLinux 8

  • delve
    Fixed in 1.7.2-1.module_el8.6.0+2736+ec10aba8
  • go-toolset
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-bin
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-docs
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-misc
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-race
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-src
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-tests
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Arch Linux

  • go
    Fixed in 2:1.16.5-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

CloudLinux 8

  • delve
    Fixed in 1.7.2-1.module_el8.6.0+2736+ec10aba8
  • go-toolset
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-bin
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-docs
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-misc
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-race
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-src
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8
  • golang-tests
    Fixed in 1.17.7-1.module_el8.6.0+2736+ec10aba8

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 11

  • golang-1.15
    Fixed in 1.15.9-4

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • golang-1.8
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 18.04 LTS

  • golang-1.16
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 20.04 LTS

  • golang-1.16
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.