What’s Vulnerable › Vulnerabilities

CVE-2017-12940

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-08-18 · updated 2026-06-17
• Weakness: CWE-125

Description

libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the EncodeFileName::Decode call within the Archive::ReadHeader15 function.

Affected products

• RARLAB UnRAR: through 5.5.6

References

• http://seclists.org/oss-sec/2017/q3/290
• https://kc.mcafee.com/corporate/index?page=content&id=SB10241
• https://security.gentoo.org/glsa/201709-24
• http://seclists.org/oss-sec/2017/q3/290
• https://kc.mcafee.com/corporate/index?page=content&id=SB10241
• https://security.gentoo.org/glsa/201709-24

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