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TI-2021-09849 Aliases CVE-2021-28879GHSA-rq3p-62m7-c66f

In the standard library in Rust before 1.52.0, the Zip implementation can report an…

Priority MEDIUM 47CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

In the standard library in Rust before 1.52.0, the Zip implementation can report an incorrect size due to an integer overflow. This bug can lead to a buffer overflow when a consumed Zip iterator is used again.

Why it matters now

EPSS 0.02412 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:rust-lang:rust:*:*:*:*:*:*:*:*before 1.52.0Vulnerablerust-lang
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*32VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*33VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*34VulnerableFedoraproject
  • cpe:2.3:a:rust-lang:rust:*:*:*:*:*:*:*:* Versions before 1.52.0 Vulnerable ·rust-lang
  • cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject

Remediation

Red Hat 2 advisories

  • RHSA-2021:3063 Released 2021-08-10 · Red Hat rating Moderate
    rust-toolset:rhel8 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) cargo-1.52.1-1.module+el8.4.0+11282+0729bac9.aarch64::rust-toolset:rhel8, cargo-1.52.1-1.module+el8.4.0+11282+0729bac9.ppc64le::rust-toolset:rhel8, cargo-1.52.1-1.module+el8.4.0+11282+0729bac9.s390x::rust-toolset:rhel8 +40
  • RHSA-2021:3042 Released 2021-08-10 · Red Hat rating Moderate
    rust-toolset-1.52 and rust-toolset-1.52-rust security and enhancement update
    • Red Hat Developer Tools for Red Hat Enterprise Linux Server (v. 7) rust-toolset-1.52-1.52.1-1.el7_9, rust-toolset-1.52-build-1.52.1-1.el7_9, rust-toolset-1.52-cargo-1.52.1-2.el7_9 +13

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Developer Tools for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2021:3042
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2021:3063
Not affected: 1 product
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28879
  2. 2026-10-03 Alias added: GHSA-rq3p-62m7-c66f

References

Sources