CVE-2009-3875
The MessageDigest.isEqual function in Java Runtime Environment (JRE) in Sun Java SE in JDK and JRE 5.0 before Update 22, JDK and JRE 6 before Update 17, SDK and JRE 1.3.x before 1.3.1_27, and SDK and JRE 1.4.x before 1.4.2_24 allows remote attackers to spoof HMAC-based digital signatures, and possibly bypass authentication, via unspecified vectors related to "timing attack vulnerabilities," aka Bug Id 6863503.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-310
- EPSS score
- 3.2% (88th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-3846)
- Published
- November 5, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-3846 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
- microsoft / windows
- sun / jdk
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- sun / jre
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and 161 more…
References
- http://java.sun.com/javase/6/webnotes/6u17.html
- http://lists.apple.com/archives/security-announce/2009/Dec/msg00000.html
- http://lists.apple.com/archives/security-announce/2009/Dec/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00010.html
- http://marc.info/?l=bugtraq&m=126566824131534&w=2
- http://marc.info/?l=bugtraq&m=131593453929393&w=2
- http://marc.info/?l=bugtraq&m=134254866602253&w=2
- http://secunia.com/advisories/37231(Vendor Advisory)
- http://secunia.com/advisories/37239
- http://secunia.com/advisories/37386
- http://secunia.com/advisories/37581
- http://secunia.com/advisories/37841
- http://security.gentoo.org/glsa/glsa-200911-02.xml
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-270475-1(Patch, Vendor Advisory)
- http://support.apple.com/kb/HT3969
- http://support.apple.com/kb/HT3970
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:084
- http://www.oracle.com/technetwork/topics/security/cpujan2010-084891.html
- http://www.redhat.com/support/errata/RHSA-2009-1694.html
- http://www.securityfocus.com/bid/36881
- http://www.vupen.com/english/advisories/2009/3131(Vendor Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11847
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12112
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7549
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7913
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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