7.5

CVE-2020-16118: gnome balsa NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
AliasesopenSUSE-SU-2020:1230-1UBUNTU-CVE-2020-16118DEBIAN-CVE-2020-16118
Published 29-07-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-16118 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in gnome balsa. EPSS estimates a 2.05% chance of exploitation in the next 30 days, higher than 80.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.05%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 29-07-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In GNOME Balsa before 2.6.0, a malicious server operator or man in the middle can trigger a NULL pointer dereference and client crash by sending a PREAUTH response to imap_mbox_connect in libbalsa/imap/imap-handle.c.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.05%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.05% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.05%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.gnome.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Opensuse3 products
Debian1 product
  • balsa< 2.6.0-1
Gnome1 product
Suse1 product
  • balsa&distro=SUSE Package Hub 15 SP1< 2.5.5-bp151.4.3.1
Ubuntu1 product
  • balsaAll versions (No fix recorded)

5 vendors · 7 products

References

11 links
Show all 11 references