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Fencer Vulns
high 7.8

CVE-2019-15767 json

In GNU Chess 6.2.5, there is a stack-based buffer overflow in the cmd_load function in frontend/cmd.cc via a crafted chess position in an E…

published 2019-08-29 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-6692

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

In GNU Chess 6.2.5, there is a stack-based buffer overflow in the cmd_load function in frontend/cmd.cc via a crafted chess position in an EPD file.

Patch / fix

  • gnuchess Debian 14, Debian 13, Debian 12 6.2.7-1

debian advisories DEBIAN-CVE-2019-15767

  • gnuchess openSUSE Tumbleweed 6.2.9-1.2

opensuse advisories openSUSE-SU-2024:10799-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-15767 updated cvss 5.3

gnuchess: stack-based overflow in cmd_load in frontend/cmd.cc via crafted EPD file

  • Red Hat Enterprise Linux 6 gnuchess
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • lists.gnu.org https://lists.gnu.org/archive/html/bug-gnu-chess/2019-08/msg00004.html referenced PoC, tagged "exploit" by a source, unverified
  • lists.gnu.org https://lists.gnu.org/archive/html/bug-gnu-chess/2019-08/msg00005.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.