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CVE-2026-1145

28
FAUCET Score

CVE-2026-1145 is a critical heap-based buffer overflow vulnerability affecting quickjs-ng quickjs up to version 0.11.0, specifically within the js_typed_array_constructor_ta function in quickjs.c. This flaw allows for remote attacks and has a CVSS score of 8.8 (HIGH), indicating high impact on confidentiality, integrity, and availability. An exploit has been published, making it a significant threat, though it is not yet listed in CISA's KEV catalog. Community discussion is minimal, and there is no media coverage, but a patch (53aebe66170d545bb6265906fe4324e4477de8b4) is available and strongly recommended.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.11.0CPE matchmatch criteria
cpe:2.3:a:quickjs-ng:quickjs:*:*:*:*:*:*:*:*

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:L/VI:L/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
LOW
VS Integrity
LOW
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 31st 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2026-1145Important

quickjs-ng: quickjs-ng quickjs: Heap-based buffer overflow leading to information disclosure or denial of service

Jan 19, 2026

References

github.com / paralin/quickjs/commit/53aebe66170d545bb6265906fe4324e4477de8b4
Patch
github.com / quickjs-ng/quickjs
github.com / quickjs-ng/quickjs/issues/1305
ExploitIssue Tracking
github.com / quickjs-ng/quickjs/issues/1305
ExploitIssue Tracking
github.com / quickjs-ng/quickjs/pull/1306
Issue TrackingPatch
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry