CVE-2023-25193

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 21.2%
KEV: Not listed

Published

February 4, 2023

Last Modified

March 25, 2025

References (12)

cve@mitrehttps://chromium.googlesource.com/chromium/src/+/e1f324aa681af54101c1f2d173d92adb80e37088/DEPS#361
cve@mitrehttps://github.com/harfbuzz/harfbuzz/blob/2822b589bc837fae6f66233e2cf2eef0f6ce8470/src/hb-ot-layout-gsubgpos.hh
cve@mitrehttps://github.com/harfbuzz/harfbuzz/commit/85be877925ddbf34f74a1229f3ca1716bb6170dc
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWCHWSICWVZSAXP2YAXM65JC2GR53547/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5M2GSAIHFPLHYJXUPQ2QDJCLWXUGO3/
cve@mitrehttps://security.netapp.com/advisory/ntap-20230725-0006/
af854a3a-2127-422b-91ae-364da2661108https://chromium.googlesource.com/chromium/src/+/e1f324aa681af54101c1f2d173d92adb80e37088/DEPS#361
af854a3a-2127-422b-91ae-364da2661108https://github.com/harfbuzz/harfbuzz/blob/2822b589bc837fae6f66233e2cf2eef0f6ce8470/src/hb-ot-layout-gsubgpos.hh
af854a3a-2127-422b-91ae-364da2661108https://github.com/harfbuzz/harfbuzz/commit/85be877925ddbf34f74a1229f3ca1716bb6170dc
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWCHWSICWVZSAXP2YAXM65JC2GR53547/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5M2GSAIHFPLHYJXUPQ2QDJCLWXUGO3/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230725-0006/

Patch Availability(22)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	openjdk-8-jre-jamvm (8u382-ga-1~16.04.1) @ xenial	2026-05-25	ubuntu
ubuntu	openjdk-20-jdk-headless (20.0.2+9+ds1-0ubuntu1~23.04) @ lunar	2026-05-25	ubuntu
ubuntu	libharfbuzz0b (2.7.4-1ubuntu3.2) @ jammy	2026-05-25	ubuntu
redhat	harfbuzz-0:1.7.5-4.el8	2024-05-22	redhat
redhat	harfbuzz-0:2.7.4-10.el9	2024-04-30	redhat
redhat	java-11-openjdk-1:11.0.20.0.8-1.el7_9	2023-07-21	redhat
redhat	patch	2023-07-20	redhat
redhat	java-17-openjdk-1:17.0.8.0.7-2.el8	2023-07-20	redhat
redhat	java-11-openjdk-1:11.0.20.0.8-2.el8	2023-07-20	redhat
redhat	java-17-openjdk-1:17.0.8.0.7-2.el9	2023-07-20	redhat
redhat	patch	2023-07-20	redhat
redhat	java-11-openjdk-1:11.0.20.0.8-2.el9	2023-07-20	redhat
redhat	patch	2023-07-20	redhat
redhat	patch	2023-07-20	redhat
redhat	java-17-openjdk-1:17.0.8.0.7-1.el9_0	2023-07-19	redhat
redhat	java-11-openjdk-1:11.0.20.0.8-1.el8_2	2023-07-19	redhat
redhat	java-11-openjdk-1:11.0.20.0.8-1.el8_6	2023-07-19	redhat
redhat	java-11-openjdk-1:11.0.20.0.8-1.el8_1	2023-07-19	redhat
redhat	java-11-openjdk-1:11.0.20.0.8-1.el9_0	2023-07-19	redhat
redhat	java-17-openjdk-1:17.0.8.0.7-1.el8_4	2023-07-19	redhat
redhat	java-17-openjdk-1:17.0.8.0.7-1.el8_6	2023-07-19	redhat
redhat	java-11-openjdk-1:11.0.20.0.8-1.el8_4	2023-07-19	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-770Allocation of Resources Without Limits or Throttling

All Vendor Advisories

(23)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2023-25193?

CVE-2023-25193 is a high vulnerability published on February 4, 2023. 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.

When was CVE-2023-25193 disclosed?

CVE-2023-25193 was first published in the National Vulnerability Database on February 4, 2023, with the most recent update on March 25, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-25193 actively exploited?

CVE-2023-25193 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-25193?

CVE-2023-25193 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-25193?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-25193, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-25193

Published

Last Modified

References (12)

Patch Availability(22)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-25193?

Same vendor

Same CWE

CVE-2023-25193

📅 Published

🔄 Last Modified

🔗 References (12)

Patch Availability(22)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-25193?

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References (12)

Frequently asked(5)

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