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CVE-2015-9274

18
FAUCET Score

CVE-2015-9274 is a denial-of-service vulnerability affecting HarfBuzz versions prior to 1.0.4, stemming from improper handling of GPOS and GSUB tables. This flaw, rated Medium severity with a CVSS score of 6.5, can be triggered remotely with low attack complexity, leading to an application crash due to an invalid two-byte read. There is no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.4CPE matchmatch criteria
cpe:2.3:a:harfbuzz_project:harfbuzz:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 85th percentile among its peer group of 26,219 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libreoffice

Vendor Advisories (1)

redhatCVE-2015-9274Low

harfbuzz: DoS due to GPOS and GSUB table mishandling

Sep 29, 2015

References

github.com / harfbuzz/harfbuzz/commit/c917965b9e6fe2b21ed6c51559673288fa3af4b7
PatchVendor Advisory