What’s Vulnerable › Vulnerabilities

CVE-2019-19907

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-19 · updated 2026-06-17
• Weakness: CWE-120

Description

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.

Affected products

• Kopano Groupware Core: before 8.7.7 — fixed in 8.7.7

How to fix

Upgrade to a fixed version: Kopano Groupware Core 8.7.7. Check the vendor advisory for mitigations.

References

• https://lists.debian.org/debian-lts-announce/2023/03/msg00006.html
• https://stash.kopano.io/projects/KC/repos/kopanocore/browse/RELNOTES.txt
• https://stash.kopano.io/projects/KC/repos/kopanocore/commits/4e02b420fff
• https://lists.debian.org/debian-lts-announce/2023/03/msg00006.html
• https://stash.kopano.io/projects/KC/repos/kopanocore/browse/RELNOTES.txt
• https://stash.kopano.io/projects/KC/repos/kopanocore/commits/4e02b420fff

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