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hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows...

High severity Unreviewed Published Feb 4, 2023 to the GitHub Advisory Database • Updated Jul 25, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

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.

References

Published by the National Vulnerability Database Feb 4, 2023
Published to the GitHub Advisory Database Feb 4, 2023
Last updated Jul 25, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2023-25193

GHSA ID

GHSA-v8ff-vmc3-wr4m

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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