CVE catalog

CVE-2017-9527

mruby: CVE-2017-9527

Severity: Medium
Published: Jun 11, 2017, 5:29:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.97% · Oct 25, 2026

The mark_context_stack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb file.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	mruby	sid	`4.0.0-1`	fixed
Debian	mruby	forky	`4.0.0-1`	fixed
Debian	mruby	trixie	`3.3.0-1`	fixed
Debian	mruby	bookworm	`3.1.0-3`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	mruby	source	sid	`1.3.0-1`	low	Not reported	[865778]
Debian	mruby	source	forky	`1.3.0-1`	low	Not reported	[865778]
Debian	mruby	source	trixie	`1.3.0-1`	low	Not reported	[865778]
Debian	mruby	source	bookworm	`1.3.0-1`	low	Not reported	[865778]

[Debian bug #865778]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libmruby-dev]Fixed
Source package: [mruby]
Details (2)
- 3.1.0-3 · amd64 · bookworm
  Fixed · Fixed: 1.3.0-1
  dsa · mruby · debian · bookworm; dsa · mruby · debian · 12
- 3.1.0-3 · arm64 · bookworm
  Fixed · Fixed: 1.3.0-1
  dsa · mruby · debian · bookworm; dsa · mruby · debian · 12
[mruby]Fixed
Details (2)
- 3.1.0-3 · amd64 · bookworm
  Fixed · Fixed: 1.3.0-1
  dsa · mruby · debian · bookworm; dsa · mruby · debian · 12
- 3.1.0-3 · arm64 · bookworm
  Fixed · Fixed: 1.3.0-1
  dsa · mruby · debian · bookworm; dsa · mruby · debian · 12

[Debian 13 (Trixie)]

[libmruby-dev]Fixed
Source package: [mruby]
Details (2)
- 3.3.0-1 · amd64 · trixie
  Fixed · Fixed: 1.3.0-1
  dsa · mruby · debian · 13
- 3.3.0-1+b1 · arm64 · trixie
  Fixed · Fixed: 1.3.0-1
  dsa · mruby · debian · 13
[mruby]Fixed
Source package: [mruby]
Details (2)
- 3.3.0-1 · amd64 · trixie
  Fixed · Fixed: 1.3.0-1
  dsa · mruby · debian · 13
- 3.3.0-1+b1 · arm64 · trixie
  Fixed · Fixed: 1.3.0-1
  dsa · mruby · debian · 13

Observed: Oct 23, 2026, 5:31:59 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]