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Unscored USN-5662-1 5 CVEs

libonig vulnerabilities

Published Oct 10, 2022 · Updated Jun 29, 2026

Summary

It was discovered that Oniguruma incorrectly handled certain regular
expressions. An attacker could possibly use this issue to cause a denial
of service, obtain sensitive information or other unspecified impact. This issue
only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2019-16163,
CVE-2019-19012, CVE-2019-19204, CVE-2019-19246)

It was discovered that Oniguruma incorrectly handled memory when using certain
UChar pointers. An attacker could possibly use this issue to cause a denial of
service or sensitive information disclosure. (CVE-2019-19203)

Fixed packages 3

ReleasePackageFixed in
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS libonig 5.9.1-1ubuntu1.1+esm3
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS libonig 5.9.6-1ubuntu0.1+esm3
Ubuntu · Pro 18.04 LTS Pro:18.04:LTS libonig 6.7.0-1ubuntu0.1~esm2

Vulnerabilities 5

References

  • report
    https://ubuntu.com/security/CVE-2019-16163
  • report
    https://ubuntu.com/security/CVE-2019-19012
  • report
    https://ubuntu.com/security/CVE-2019-19203
  • report
    https://ubuntu.com/security/CVE-2019-19204
  • report
    https://ubuntu.com/security/CVE-2019-19246