How severe is CVE-2025-11579?

CVE-2025-11579 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-11579 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-11579?

CVE-2025-11579 affects Nwaples Rardecode. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-11579?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-11579 have an EU (EUVD) identifier?

Yes. CVE-2025-11579 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33711.

When was CVE-2025-11579 published?

CVE-2025-11579 was published on 2025-10-10 and last updated on 2026-06-17.

CVE-2025-11579

CVE-2025-11579 is a medium-severity vulnerability in Nwaples Rardecode with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-789.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-33711
Weakness: CWE-789
Affected product: Nwaples Rardecode
Published: 2025-10-10
Last modified: 2026-06-17

Description

github.com/nwaples/rardecode versions <=2.1.1 fail to restrict the dictionary size when reading large RAR dictionary sizes, which allows an attacker to provide a specially crafted RAR file and cause Denial of Service via an Out Of Memory Crash.

Frequently asked questions

What is CVE-2025-11579?: github.com/nwaples/rardecode versions <=2.1.1 fail to restrict the dictionary size when reading large RAR dictionary sizes, which allows an attacker to provide a specially crafted RAR file and cause Denial of Service via an Out Of Memory Crash.
How severe is CVE-2025-11579?: CVE-2025-11579 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-11579 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-11579?: CVE-2025-11579 affects Nwaples Rardecode. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-11579?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-11579 have an EU (EUVD) identifier?: Yes. CVE-2025-11579 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33711.
When was CVE-2025-11579 published?: CVE-2025-11579 was published on 2025-10-10 and last updated on 2026-06-17.

References

https://github.com/nwaples/rardecode/commit/52fb4e825c936636f251f7e7deded39ab11df9a9

Affected products (1)

cpe:2.3:a:nwaples:rardecode:*:*:*:*:*:go:*:*

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