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CVE-2025-5914

Libarchive: double free at archive_read_format_rar_seek_data() in archive_read_support_format_rar.c

No known exploitation. EPSS puts it in the 43rd percentile. Fixed versions are out.

CVSS 3.17.8HighEPSS percentile43rd0.5% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products6 fixed builds listed below
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OpenVAS · 56 checks

e.g. OID 1.3.6.1.4.1.25623.1.0.127956

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Published Updated Sources: CVE.org, NVD, BDU, CSAF

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Red Hat Enterprise Linux 10Fixed builds0:3.7.7-4.el10_0, 0:3.3.3-6.el8_10, 0:3.5.3-6.el9_6Stated by: CVE record
  • Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed builds0:3.1.2-14.el7_9.1Stated by: CVE record
  • Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed builds0:3.3.2-8.el8_2.1Stated by: CVE record
  • Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed builds0:3.3.3-1.el8_4.1Stated by: CVE record
  • Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnFixed builds0:3.3.3-1.el8_4.1Stated by: CVE record

Versions as the sources state them. 36 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

A vulnerability has been identified in the libarchive library, specifically within the archive_read_format_rar_seek_data() function. This flaw involves an integer overflow that can ultimately lead to a double-free condition. Exploiting a double-free vulnerability can result in memory corruption, enabling an attacker to execute arbitrary code or cause a denial-of-service condition.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS43rd
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.5% chance of exploitation activity in the next 30 days, which ranks it in the 43rd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

84 events over 515 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Patch availablerecord updated
  3. Patch availablerecord updated
  4. Patch availablerecord updated
  5. Patch availablerecord updated
  6. Patch availablerecord updated

Affected products

And 36 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 7.8 by NVD.

How it is reached

  • Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 85 more references. See all after sign-in

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