CVE-2019-19907
HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of...
HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.
- Record
CVE-2019-19907- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.
- Record
CVE-2019-19907- Updated
- 2026-11-02
EUVDEUVD-2019-9499 No score
HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.
- Record
EUVD-2019-9499- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gv67-8fcc-5q6q
HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of...
HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.
- Record
GHSA-gv67-8fcc-5q6q- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-19907
HrAddFBBlock in libfreebusy/freebusyutil.cpp in Kopano Groupware Core before 8.7.7 allows out-of-bounds access, as demonstrated by mishandling of an array copy during parsing of ICal data.
- Record
UBUNTU-CVE-2019-19907- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUSN-6876-1 No score
kopanocore vulnerabilities
It was discovered that Kopano Core allowed out-of-bounds access. An attacker could use this issue to expose private information. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-19907)
It was discovered that Kopano Core allowed possible authentication with expired passwords. An attacker could use this issue to bypass authentication. (CVE-2022-26562)
- Record
USN-6876-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kopanocoreDebian:10 From an advisory covering 2 CVEs |
before 8.7.0-3+deb10u1, plus listed versions 8.7.0-3 |
8.7.0-3+deb10u1 |
kopanocoreUbuntu:Pro:18.04:LTS |
before 8.5.5-0ubuntu1+esm1, plus listed versions 8.1.0-3ubuntu58.1.0-3ubuntu68.3.4-4ubuntu48.5.2-1ubuntu18.5.5-0ubuntu1 |
8.5.5-0ubuntu1+esm1 |
kopanocoreUbuntu:Pro:18.04:LTS From an advisory covering 2 CVEs |
before 8.5.5-0ubuntu1+esm1, plus listed versions 8.1.0-3ubuntu58.1.0-3ubuntu68.3.4-4ubuntu48.5.2-1ubuntu18.5.5-0ubuntu1 |
8.5.5-0ubuntu1+esm1 |
kopanocoreUbuntu:20.04:LTS From an advisory covering 2 CVEs |
before 8.7.0-7ubuntu1.1, plus listed versions 8.7.0-3build28.7.0-5ubuntu58.7.0-5ubuntu68.7.0-6ubuntu18.7.0-6ubuntu28.7.0-6ubuntu38.7.0-7ubuntu1 |
8.7.0-7ubuntu1.1 |
kopanocoreUbuntu:22.04:LTS From an advisory covering 2 CVEs |
before 8.7.0-7.1ubuntu10.1, plus listed versions 8.7.0-7.1ubuntu48.7.0-7.1ubuntu68.7.0-7.1ubuntu78.7.0-7.1ubuntu88.7.0-7.1ubuntu10 |
8.7.0-7.1ubuntu10.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-19907 is a critical vulnerability (CVSS 9.8) in Kopano Groupware Core, published December 19, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.19%, the 82nd percentile. Fixed in kopanocore 8.5.5-0ubuntu1+esm1.
References
stash.kopano.io/projects/KC/repos/kopanocore/commits/4e02b420fff
lists.debian.org/debian-lts-announce/2023/03/msg00006.html
nvd.nist.gov/vuln/detail/CVE-2019-19907
github.com/advisories/GHSA-gv67-8fcc-5q6q
ubuntu.com/security/CVE-2019-19907
cve.org/CVERecord?id=CVE-2019-19907