CVE-2019-15767: gnu chess Out-of-bounds Write
CVSS: 7.8v3.0HighModified
AliasesMGASA-2020-0194UBUNTU-CVE-2019-15767DEBIAN-CVE-2019-15767
Published 29-08-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-15767 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in gnu chess. EPSS estimates a 1.47% chance of exploitation in the next 30 days, higher than 73.3% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
7.8/10
010
High · v3.0 (NVD)EPSS score
1.47%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 29-08-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.47%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
0.00 pp
From 1.47% on 20-09-2026
20-09-202620-10-2026
EPSS score1.47%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (lists.gnu.org)
Maturity: unknown
Exploit Reference (lists.gnu.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- gnuchess< 6.2.7-1
Gnu1 product
- chess6.2.5
Mageia1 product
- gnuchess< 6.2.6-1.mga7
Ubuntu1 product
- gnuchessAll versions (No fix recorded)
4 vendors · 4 products
References
11 links- lists.gnu.org/archive/html/bug-gnu-chess/2019-08/msg00004.htmlX Refsource MISCExploitMailing ListThird Party AdvisoryREPORT
- lists.gnu.org/archive/html/bug-gnu-chess/2019-08/msg00005.htmlX Refsource MISCExploitMailing ListThird Party AdvisoryREPORT
