Is CVE-2021-28879 in the CISA KEV catalog?

No. CVE-2021-28879 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-28879?

CVE-2021-28879 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-28879?

CVE-2021-28879 has an EPSS score of 2.41% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-28879?

Upgrade rustc on debian 12 to 1.53.0+dfsg1-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-28879

CRITICALEPSS 82th pctl

9.8

CVSS v3

NVD

Description

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.

CWE-190Integer Overflow

How to fix

Remediation Available

rustcDebian

Fixed in:1.53.0+dfsg1-1CVE-2021-28879

Rust (GNU)Windows application

Affected:1.52.0Fixed in:1.52.0The Rust Project Developers

Rust (MSVC)Windows application

Affected:1.52.0Fixed in:1.52.0The Rust Project Developers

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.41%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Third-Party Advisory1

security.gentoo.org

Other references3

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.