Vulnerability · CVE-2026-115379
Rooting for GC values live across may be missing, causing GC heap corruption
Published Oct 2, 2026 · catalog updated Oct 23, 2026 · Red Hat Red Hat Enterprise Linux
Last checked Oct 25, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-115379. EPSS is 0.28%. Act only if a listed version of Red Hat Red Hat Enterprise Linux is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-116181 · Medium
- CVE-2026-116180 · Medium
- CVE-2026-116179 · High
- CVE-2026-116177 · High
- CVE-2026-116178 · Medium
- Severity
- Medium5.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.28%
- Remediation
- Advisory link
- Affected products
- crates.io wasmtime
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hw8m-q44c-ggrf For more information see the GitHub-hosted security advisory.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- crates.io wasmtime47.0.0 → 48.0.4
How to fix CVE-2026-115379
Upgrade
CVE-2026-115379 lists a fix boundary at 48.0.4. Compare the installed build with that boundary before you change production.
Version check
Seen in 47.0.0 → 48.0.4
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-115379. EPSS is 0.28%. Act only if a listed version of Red Hat Red Hat Enterprise Linux is installed.
Which versions are affected?
Compare what you have installed with 47.0.0 → 48.0.4. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-825. EPSS 0.28%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Oct 22, 2026 · Red Hat Security Data
Detected
wasmtime: Wasmtime: Denial of Service via missing garbage collection rooting
Oct 23, 2026 · GitHub Advisory Database
Fix available
wasmtime fixed in 48.0.4
Oct 23, 2026 · GitHub Advisory Database
Fix available
wasmtime fixed in 48.0.4
Oct 23, 2026 · GitHub Advisory Database
Updated
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hw8m-q44c-ggrf For more information see the GitHub-hosted security advisory.
Sources
- CVE.orgVulnerability recordCVE-2026-115379
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-115379
30-day exploitation probability 0.28%
first.org - GitHub Advisory DatabasePackage advisoryGHSA-hw8m-q44c-ggrf
GitHub Advisory Database record mirrored by OSV.
github.com - OpenSSF OSV / OSV ScannerPackage advisoryRUSTSEC-2026-0326
Rooting for GC values live across may be missing, causing GC heap corruption
osv.dev - Red Hat Security DataVendor advisoryCVE-2026-115379
wasmtime: Wasmtime: Denial of Service via missing garbage collection rooting
access.redhat.com
References
Freshness
Last verified in this catalog Oct 25, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 25, 2026
- Red Hat Security DataOct 24, 2026
- GitHub Advisory DatabaseOct 23, 2026
- OpenSSF OSV / OSV ScannerOct 23, 2026
- CVE.orgOct 23, 2026