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TI-2019-13702 Aliases CVE-2019-19012GHSA-5mw9-mr3r-536c

An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before…

Priority MEDIUM 55CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 6 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before 6.9.4_rc2 leads to an out-of-bounds read, in which the offset of this read is under the control of an attacker. (This only affects the 32-bit compiled version). Remote attackers can cause a denial-of-service or information disclosure, or possibly have unspecified other impact, via a crafted regular expression.

Why it matters now

EPSS 0.10628 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 6 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:oniguruma_project:oniguruma:*:*:*:*:*:*:*:*6.0.0 – 6.9.3VulnerableOniguruma Project
cpe:2.3:a:oniguruma_project:oniguruma:6.9.4:rc1:*:*:*:*:*:*6.9.4 rc1VulnerableOniguruma Project
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*30VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
  • cpe:2.3:a:oniguruma_project:oniguruma:*:*:*:*:*:*:*:* Versions 6.0.0 – 6.9.3 Vulnerable ·Oniguruma Project
  • cpe:2.3:a:oniguruma_project:oniguruma:6.9.4:rc1:*:*:*:*:*:* Versions 6.9.4 rc1 Vulnerable ·Oniguruma Project
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat

Remediation

Red Hat 4 advisories

  • RHSA-2025:7539 Released 2025-05-14 · Red Hat rating Moderate
    ruby:2.5 security update
    • Red Hat Enterprise Linux AppStream (v. 8) ruby-2.5.9-114.module+el8.10.0+23088+750dc6ca.aarch64::ruby:2.5, ruby-2.5.9-114.module+el8.10.0+23088+750dc6ca.i686::ruby:2.5, ruby-2.5.9-114.module+el8.10.0+23088+750dc6ca.ppc64le::ruby:2.5 +47
  • RHSA-2024:0889 Released 2024-02-20 · Red Hat rating Moderate
    oniguruma security update
    • Red Hat CodeReady Linux Builder (v. 8) oniguruma-devel-6.8.2-2.1.el8_9
    • Red Hat Enterprise Linux AppStream (v. 8) oniguruma-6.8.2-2.1.el8_9
  • RHSA-2024:0572 Released 2024-01-30 · Red Hat rating Moderate
    oniguruma security update
    • Red Hat CodeReady Linux Builder EUS (v.8.8) oniguruma-devel-6.8.2-2.1.el8_8
    • Red Hat Enterprise Linux AppStream EUS (v.8.8) oniguruma-6.8.2-2.1.el8_8
Show 1 more Red Hat advisories
  • RHSA-2024:0409 Released 2024-01-25 · Red Hat rating Moderate
    oniguruma security update
    • Red Hat CodeReady Linux Builder EUS (v.8.6) oniguruma-devel-6.8.2-2.1.el8_6
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) oniguruma-6.8.2-2.1.el8_6

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2024:0889
Red Hat CodeReady Linux Builder EUS (v.8.6)Fixed RHSA-2024:0409
Red Hat CodeReady Linux Builder EUS (v.8.8)Fixed RHSA-2024:0572
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:0889, RHSA-2025:7539
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2024:0409
Red Hat Enterprise Linux AppStream EUS (v.8.8)Fixed RHSA-2024:0572
Not affected: 4 products
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat OpenShift Container Platform 4
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-19012
  2. 2026-10-03 Alias added: GHSA-5mw9-mr3r-536c

References

Exploit 2

Advisory 5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences