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Fencer Intel
medium 5.0

CVE-2015-0886 json

Integer Overflow or Wraparound in JBCrypt

published 2015-02-28 11 y ago modified 2026-09-10 1 mo ago also GHSA-9h6p-92jq-888x , EUVD-2022-3379

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.8%
EPSS 4.8% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Integer overflow in the crypt_raw method in the key-stretching implementation in jBCrypt before 0.4 makes it easier for remote attackers to determine cleartext values of password hashes via a brute-force attack against hashes associated with the maximum exponent.

Patch / fix

  • maven org.mindrot:jbcrypt 0.4
  • mindrot jbcrypt 0.4
  • libjbcrypt-java Debian 14, Debian 13, Debian 12 0.4-1

debian advisories DEBIAN-CVE-2015-0886

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-0886 updated cvss 2.6

jBCrypt: integer overflow in the crypt_raw method

  • Red Hat OpenShift Enterprise 2 jenkins
    under investigation
  • Red Hat JBoss Operations Network 3 jbcrypt
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.80% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.mindrot:jbcrypt
<0.4
0.4

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.