CVE-2023-25193
HIGHHarfBuzz < 6.0.0 - Denial of Service via O(n^2) Growth in Mark Attachment
Title source: llmDescription
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 (6)
Core 6
Core References
Patch, Third Party Advisory
https://chromium.googlesource.com/chromium/src/+/e1f324aa681af54101c1f2d173d92adb80e37088/DEPS#361
Third Party Advisory
https://github.com/harfbuzz/harfbuzz/blob/2822b589bc837fae6f66233e2cf2eef0f6ce8470/src/hb-ot-layout-gsubgpos.hh
Patch, Third Party Advisory
https://github.com/harfbuzz/harfbuzz/commit/85be877925ddbf34f74a1229f3ca1716bb6170dc
Vendor Advisory
https://security.netapp.com/advisory/ntap-20230725-0006/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWCHWSICWVZSAXP2YAXM65JC2GR53547/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5M2GSAIHFPLHYJXUPQ2QDJCLWXUGO3/
Scores
CVSS v3
7.5
EPSS
0.0180
EPSS Percentile
75.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (2)
fedoraproject/fedora
36
harfbuzz_project/harfbuzz
< 6.0.0
Published
Feb 04, 2023
Tracked Since
Feb 18, 2026