CVE catalog
CVE-2026-39199
snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups file.
- Severity
- Low · CVSS 2.9
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.13% · Oct 25, 2026
snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups 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 | libretro-snes9x | sid | 1.63+dfsg-2 | fixed |
| Debian | libretro-snes9x | forky | 1.63+dfsg-2 | fixed |
| Debian | libretro-snes9x | trixie | 1.63+dfsg-1 | vulnerable |
| Debian | libretro-snes9x | bookworm | 1.61+dfsg-1 | vulnerable |
| Cpe | libretro-snes9x | Not reported | Not reported | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libretro-snes9x | source | sid | 1.63+dfsg-2 | not yet assigned | Not reported | [1140481] |
| Debian | libretro-snes9x | source | forky | 1.63+dfsg-2 | not yet assigned | Not reported | [1140481] |
| Debian | libretro-snes9x | source | trixie | (unfixed) | not yet assigned | Not reported | [1140481] |
| Debian | libretro-snes9x | source | bookworm | (unfixed) | not yet assigned | Not reported | [1140481] |
Notes
[trixie] libretro-snes9x: non-free not supported [bookworm] libretro-snes9x: Non-free not supported
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libretro-snes9x]Affected
Details (2)
1.61+dfsg-1· amd64 · bookwormAffected
nvd · libretro-snes9x · debian · bookworm; nvd · libretro-snes9x · debian · 12
1.61+dfsg-1· arm64 · bookwormAffected
nvd · libretro-snes9x · debian · bookworm; nvd · libretro-snes9x · debian · 12
[Debian 13 (Trixie)]
- [libretro-snes9x]Affected
Details (2)
1.63+dfsg-1· amd64 · trixieAffected
nvd · libretro-snes9x · debian · 13
1.63+dfsg-1· arm64 · trixieAffected
nvd · libretro-snes9x · debian · 13
Observed:
References
- [https://github.com/snes9xgit/snes9x/commit/96b366100172723f6314c40e237b370f4f7b59f4]
- [https://github.com/snes9xgit/snes9x/issues/1035]
- [https://karansaini.com/snes9x-oob-write/]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-39199]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-39199]
- [https://security-tracker.debian.org/tracker/CVE-2026-39199]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]