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TI-2023-10653 Aliases CVE-2023-25193GHSA-v8ff-vmc3-wr4m

hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2)…

Priority MEDIUM 42CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 25 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-770.

Summary

hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01812 78th percentileScored 2026-11-07
Fix Partial Red Hat: 19 advisoriesRed Hat: 25 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

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

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:harfbuzz_project:harfbuzz:*:*:*:*:*:*:*:*up to 6.0.0VulnerableHarfbuzz Project
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*36VulnerableFedoraproject
  • cpe:2.3:a:harfbuzz_project:harfbuzz:*:*:*:*:*:*:*:* Versions up to 6.0.0 Vulnerable ·Harfbuzz Project
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject

Remediation

Red Hat 19 advisories

  • RHSA-2024:2980 Released 2024-05-22 · Red Hat rating Moderate
    harfbuzz security update
    • Red Hat Enterprise Linux AppStream (v. 8) harfbuzz-1.7.5-4.el8, harfbuzz-devel-1.7.5-4.el8, harfbuzz-icu-1.7.5-4.el8
  • RHSA-2024:2410 Released 2024-04-30 · Red Hat rating Moderate
    harfbuzz security update
    • Red Hat Enterprise Linux AppStream (v. 9) harfbuzz-2.7.4-10.el9, harfbuzz-devel-2.7.4-10.el9, harfbuzz-icu-2.7.4-10.el9
    • Red Hat Enterprise Linux BaseOS (v. 9) harfbuzz-2.7.4-10.el9
  • RHSA-2023:4233 Released 2023-07-21 · Red Hat rating Moderate
    java-11-openjdk security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) java-11-openjdk-1:11.0.20.0.8-1.el7_9, java-11-openjdk-headless-1:11.0.20.0.8-1.el7_9
    • Red Hat Enterprise Linux Client Optional (v. 7) java-11-openjdk-demo-1:11.0.20.0.8-1.el7_9, java-11-openjdk-devel-1:11.0.20.0.8-1.el7_9, java-11-openjdk-javadoc-1:11.0.20.0.8-1.el7_9 +4
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) java-11-openjdk-demo-1:11.0.20.0.8-1.el7_9, java-11-openjdk-devel-1:11.0.20.0.8-1.el7_9, java-11-openjdk-javadoc-1:11.0.20.0.8-1.el7_9 +4
    • Red Hat Enterprise Linux Server (v. 7) java-11-openjdk-1:11.0.20.0.8-1.el7_9, java-11-openjdk-devel-1:11.0.20.0.8-1.el7_9, java-11-openjdk-headless-1:11.0.20.0.8-1.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7) java-11-openjdk-demo-1:11.0.20.0.8-1.el7_9, java-11-openjdk-javadoc-1:11.0.20.0.8-1.el7_9, java-11-openjdk-javadoc-zip-1:11.0.20.0.8-1.el7_9 +3
    • Red Hat Enterprise Linux Workstation (v. 7) java-11-openjdk-1:11.0.20.0.8-1.el7_9, java-11-openjdk-devel-1:11.0.20.0.8-1.el7_9, java-11-openjdk-headless-1:11.0.20.0.8-1.el7_9
    • Red Hat Enterprise Linux Workstation Optional (v. 7) java-11-openjdk-demo-1:11.0.20.0.8-1.el7_9, java-11-openjdk-javadoc-1:11.0.20.0.8-1.el7_9, java-11-openjdk-javadoc-zip-1:11.0.20.0.8-1.el7_9 +3
Show 16 more Red Hat advisories
  • RHSA-2023:4159 Released 2023-07-20 · Red Hat rating Moderate
    java-17-openjdk security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) java-17-openjdk-1:17.0.8.0.7-2.el8, java-17-openjdk-demo-1:17.0.8.0.7-2.el8, java-17-openjdk-devel-1:17.0.8.0.7-2.el8 +6
    • Red Hat Enterprise Linux CRB (v. 8) java-17-openjdk-demo-fastdebug-1:17.0.8.0.7-2.el8, java-17-openjdk-demo-slowdebug-1:17.0.8.0.7-2.el8, java-17-openjdk-devel-fastdebug-1:17.0.8.0.7-2.el8 +11
  • RHSA-2023:4175 Released 2023-07-20 · Red Hat rating Moderate
    java-11-openjdk security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) java-11-openjdk-1:11.0.20.0.8-2.el8, java-11-openjdk-demo-1:11.0.20.0.8-2.el8, java-11-openjdk-devel-1:11.0.20.0.8-2.el8 +6
    • Red Hat Enterprise Linux CRB (v. 8) java-11-openjdk-demo-fastdebug-1:11.0.20.0.8-2.el8, java-11-openjdk-demo-slowdebug-1:11.0.20.0.8-2.el8, java-11-openjdk-devel-fastdebug-1:11.0.20.0.8-2.el8 +11
  • RHSA-2023:4158 Released 2023-07-20 · Red Hat rating Moderate
    java-11-openjdk security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 9) java-11-openjdk-1:11.0.20.0.8-2.el9, java-11-openjdk-demo-1:11.0.20.0.8-2.el9, java-11-openjdk-devel-1:11.0.20.0.8-2.el9 +6
    • Red Hat Enterprise Linux CRB (v. 9) java-11-openjdk-demo-fastdebug-1:11.0.20.0.8-2.el9, java-11-openjdk-demo-slowdebug-1:11.0.20.0.8-2.el9, java-11-openjdk-devel-fastdebug-1:11.0.20.0.8-2.el9 +11
  • RHSA-2023:4177 Released 2023-07-20 · Red Hat rating Moderate
    java-17-openjdk security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 9) java-17-openjdk-1:17.0.8.0.7-2.el9, java-17-openjdk-demo-1:17.0.8.0.7-2.el9, java-17-openjdk-devel-1:17.0.8.0.7-2.el9 +6
    • Red Hat Enterprise Linux CRB (v. 9) java-17-openjdk-demo-fastdebug-1:17.0.8.0.7-2.el9, java-17-openjdk-demo-slowdebug-1:17.0.8.0.7-2.el9, java-17-openjdk-devel-fastdebug-1:17.0.8.0.7-2.el9 +11
  • RHSA-2023:4211 Released 2023-07-20 · Red Hat rating Moderate
    OpenJDK 17.0.8 Security Update for Windows Builds
    • Red Hat Build of OpenJDK 17.0.8
  • RHSA-2023:4210 Released 2023-07-20 · Red Hat rating Moderate
    OpenJDK 17.0.8 Security Update for Portable Linux Builds
    • Red Hat Build of OpenJDK 17.0.8
  • RHSA-2023:4208 Released 2023-07-20 · Red Hat rating Moderate
    OpenJDK security update
    • Red Hat Build of OpenJDK 11.0.20
  • RHSA-2023:4161 Released 2023-07-20 · Red Hat rating Moderate
    OpenJDK 11.0.20 Security Update for Windows Builds
    • Red Hat Build of OpenJDK 11.0.20
  • RHSA-2023:4164 Released 2023-07-19 · Red Hat rating Moderate
    java-11-openjdk security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v.8.6) java-11-openjdk-demo-fastdebug-1:11.0.20.0.8-1.el8_6, java-11-openjdk-demo-slowdebug-1:11.0.20.0.8-1.el8_6, java-11-openjdk-devel-fastdebug-1:11.0.20.0.8-1.el8_6 +11
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) java-11-openjdk-1:11.0.20.0.8-1.el8_6, java-11-openjdk-demo-1:11.0.20.0.8-1.el8_6, java-11-openjdk-devel-1:11.0.20.0.8-1.el8_6 +6
  • RHSA-2023:4163 Released 2023-07-19 · Red Hat rating Moderate
    java-11-openjdk security and bug fix update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) java-11-openjdk-1:11.0.20.0.8-1.el8_4, java-11-openjdk-demo-1:11.0.20.0.8-1.el8_4, java-11-openjdk-devel-1:11.0.20.0.8-1.el8_4 +6
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) java-11-openjdk-1:11.0.20.0.8-1.el8_4, java-11-openjdk-demo-1:11.0.20.0.8-1.el8_4, java-11-openjdk-devel-1:11.0.20.0.8-1.el8_4 +6
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) java-11-openjdk-1:11.0.20.0.8-1.el8_4, java-11-openjdk-demo-1:11.0.20.0.8-1.el8_4, java-11-openjdk-devel-1:11.0.20.0.8-1.el8_4 +6
  • RHSA-2023:4169 Released 2023-07-19 · Red Hat rating Moderate
    java-17-openjdk security update
    • Red Hat CodeReady Linux Builder EUS (v.9.0) java-17-openjdk-demo-fastdebug-1:17.0.8.0.7-1.el9_0, java-17-openjdk-demo-slowdebug-1:17.0.8.0.7-1.el9_0, java-17-openjdk-devel-fastdebug-1:17.0.8.0.7-1.el9_0 +11
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) java-17-openjdk-1:17.0.8.0.7-1.el9_0, java-17-openjdk-demo-1:17.0.8.0.7-1.el9_0, java-17-openjdk-devel-1:17.0.8.0.7-1.el9_0 +6
  • RHSA-2023:4157 Released 2023-07-19 · Red Hat rating Moderate
    java-11-openjdk security update
    • Red Hat CodeReady Linux Builder EUS (v.9.0) java-11-openjdk-demo-fastdebug-1:11.0.20.0.8-1.el9_0, java-11-openjdk-demo-slowdebug-1:11.0.20.0.8-1.el9_0, java-11-openjdk-devel-fastdebug-1:11.0.20.0.8-1.el9_0 +11
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) java-11-openjdk-1:11.0.20.0.8-1.el9_0, java-11-openjdk-demo-1:11.0.20.0.8-1.el9_0, java-11-openjdk-devel-1:11.0.20.0.8-1.el9_0 +6
  • RHSA-2023:4162 Released 2023-07-19 · Red Hat rating Moderate
    java-11-openjdk security and bug fix update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) java-11-openjdk-1:11.0.20.0.8-1.el8_2, java-11-openjdk-demo-1:11.0.20.0.8-1.el8_2, java-11-openjdk-devel-1:11.0.20.0.8-1.el8_2 +6
    • Red Hat Enterprise Linux AppStream E4S (v. 8.2) java-11-openjdk-1:11.0.20.0.8-1.el8_2, java-11-openjdk-demo-1:11.0.20.0.8-1.el8_2, java-11-openjdk-devel-1:11.0.20.0.8-1.el8_2 +6
    • Red Hat Enterprise Linux AppStream TUS (v. 8.2) java-11-openjdk-1:11.0.20.0.8-1.el8_2, java-11-openjdk-demo-1:11.0.20.0.8-1.el8_2, java-11-openjdk-devel-1:11.0.20.0.8-1.el8_2 +6
  • RHSA-2023:4165 Released 2023-07-19 · Red Hat rating Moderate
    java-11-openjdk security and bug fix update
    • Red Hat Enterprise Linux AppStream E4S (v. 8.1) java-11-openjdk-1:11.0.20.0.8-1.el8_1, java-11-openjdk-demo-1:11.0.20.0.8-1.el8_1, java-11-openjdk-devel-1:11.0.20.0.8-1.el8_1 +5
  • RHSA-2023:4171 Released 2023-07-19 · Red Hat rating Moderate
    java-17-openjdk security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) java-17-openjdk-1:17.0.8.0.7-1.el8_4, java-17-openjdk-demo-1:17.0.8.0.7-1.el8_4, java-17-openjdk-devel-1:17.0.8.0.7-1.el8_4 +6
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) java-17-openjdk-1:17.0.8.0.7-1.el8_4, java-17-openjdk-demo-1:17.0.8.0.7-1.el8_4, java-17-openjdk-devel-1:17.0.8.0.7-1.el8_4 +6
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) java-17-openjdk-1:17.0.8.0.7-1.el8_4, java-17-openjdk-demo-1:17.0.8.0.7-1.el8_4, java-17-openjdk-devel-1:17.0.8.0.7-1.el8_4 +6
  • RHSA-2023:4170 Released 2023-07-19 · Red Hat rating Moderate
    java-17-openjdk security update
    • Red Hat CodeReady Linux Builder EUS (v.8.6) java-17-openjdk-demo-fastdebug-1:17.0.8.0.7-1.el8_6, java-17-openjdk-demo-slowdebug-1:17.0.8.0.7-1.el8_6, java-17-openjdk-devel-fastdebug-1:17.0.8.0.7-1.el8_6 +11
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) java-17-openjdk-1:17.0.8.0.7-1.el8_6, java-17-openjdk-demo-1:17.0.8.0.7-1.el8_6, java-17-openjdk-devel-1:17.0.8.0.7-1.el8_6 +6

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat build of OpenJDK 11AffectedNo fix yet
Red Hat build of OpenJDK 17AffectedNo fix yet
Red Hat Build of OpenJDK 11.0.20Fixed RHSA-2023:4208
Red Hat Build of OpenJDK 17.0.8Fixed RHSA-2023:4211
Red Hat CodeReady Linux Builder EUS (v.8.6)Fixed RHSA-2023:4164, RHSA-2023:4170
Red Hat CodeReady Linux Builder EUS (v.9.0)Fixed RHSA-2023:4157, RHSA-2023:4169
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:4159, RHSA-2023:4175, RHSA-2024:2980
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:4158, RHSA-2023:4177, RHSA-2024:2410
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2023:4162
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2023:4163, RHSA-2023:4171
Red Hat Enterprise Linux AppStream E4S (v. 8.1)Fixed RHSA-2023:4165
Red Hat Enterprise Linux AppStream E4S (v. 8.2)Fixed RHSA-2023:4162
Red Hat Enterprise Linux AppStream E4S (v.8.4)Fixed RHSA-2023:4163, RHSA-2023:4171
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2023:4164, RHSA-2023:4170
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2023:4157, RHSA-2023:4169
Red Hat Enterprise Linux AppStream TUS (v. 8.2)Fixed RHSA-2023:4162
Red Hat Enterprise Linux AppStream TUS (v.8.4)Fixed RHSA-2023:4163, RHSA-2023:4171
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:2410
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2023:4159, RHSA-2023:4175
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2023:4158, RHSA-2023:4177
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2023:4233
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2023:4233
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2023:4233
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2023:4233
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2023:4233
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2023:4233
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2023:4233
Not affected: 5 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat build of OpenJDK 1.8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-25193
  2. 2026-10-03 Alias added: GHSA-v8ff-vmc3-wr4m
  3. 2026-10-09 Fix available: RHSA-2023:4161 · Red Hat
  4. 2026-10-09 Fix available: RHSA-2023:4208 · Red Hat
  5. 2026-10-09 Fix available: RHSA-2023:4211 · Red Hat
  6. 2026-11-05 Fix available: Red Hat Build of OpenJDK 11.0.20 · Red Hat

References

Patch 2

Advisory 3

Other 1

Sources

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