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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-5315

29
FAUCET Score

CVE-2026-5315 identifies an out-of-bounds read vulnerability in Nothings stb library, specifically within the stbtt__buf_get8 function of the TTF File Handler component, affecting versions up to 1.26. Rated as medium severity (CVSS 4.3), this vulnerability can be exploited remotely with low complexity, requiring user interaction, and could lead to a denial of service. Although the exploit has been publicly disclosed and the CVE is on the "Hot List: Active," there are currently no readily available exploit tools (e.g., Metasploit, Nuclei) or evidence of widespread active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.26CPE matchmatch criteria
cpe:2.3:a:nothings:stb_truetype.h:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

2.1LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 42nd percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gist.github.com / d0razi/c11dd07c75f3b795e4f8bbfd6e2f0d29
ExploitThird Party Advisory
vuldb.com / submit/780559
Third Party AdvisoryVDB Entry
vuldb.com / vuln/354647
Third Party AdvisoryVDB Entry
vuldb.com / vuln/354647/cti
Permissions RequiredVDB Entry