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Fencer Vulns
high 7.5

CVE-2023-52159 json

A stack-based buffer overflow vulnerability in gross 0.9.3 through 1.x before 1.0.4 allows remote attackers to trigger a denial of service…

published 2024-03-18 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-56832

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

A stack-based buffer overflow vulnerability in gross 0.9.3 through 1.x before 1.0.4 allows remote attackers to trigger a denial of service (grossd daemon crash) or potentially execute arbitrary code in grossd via crafted SMTP transaction parameters that cause an incorrect strncat for a log entry.

Patch / fix

  • bizdelnick gross 1.0.4
  • gross Debian 12 1.0.2-4.1~deb12u1
  • gross Debian 14, Debian 13 1.0.2-4.1

debian advisories DEBIAN-CVE-2023-52159

  • gross Ubuntu 20.04 LTS 1.0.2-4ubuntu0.20.04.1
  • gross Ubuntu 22.04 LTS 1.0.2-4ubuntu0.22.04.1
  • gross Ubuntu 24.04 LTS 1.0.2-4ubuntu0.24.04.1
  • gross Ubuntu Pro 16.04 LTS 1.0.2-4ubuntu0.16.04.1~esm1
  • gross Ubuntu Pro 18.04 LTS 1.0.2-4ubuntu0.18.04.1~esm1

ubuntu advisories UBUNTU-CVE-2023-52159

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.