Packages
- pcre2 - New Perl Compatible Regular Expression Library
Details
It was discovered that PCRE2 did not correctly manage memory when
processing certain patterns. An attacker could possibly use this issue to
execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu
22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10.
(CVE-2026-86145)
Albert Zhang discovered that PCRE2 did not correctly process certain
input. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,
Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. (CVE-2026-89156)
It was discovered that PCRE2 did not correctly handle large patterns. On
32-bit platforms, an attacker could possibly use this issue to execute
arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04
LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and...
It was discovered that PCRE2 did not correctly manage memory when
processing certain patterns. An attacker could possibly use this issue to
execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu
22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10.
(CVE-2026-86145)
Albert Zhang discovered that PCRE2 did not correctly process certain
input. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,
Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. (CVE-2026-89156)
It was discovered that PCRE2 did not correctly handle large patterns. On
32-bit platforms, an attacker could possibly use this issue to execute
arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04
LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu
26.10. (CVE-2026-89157)
It was discovered that PCRE2 did not correctly handle certain patterns.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2026-89158)
Ilia Alshanetsky discovered that PCRE2 did not correctly handle certain
input. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,
Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. (CVE-2026-89160)
It was discovered that PCRE2 did not correctly manage memory when handling
certain patterns. An attacker could possibly use this issue to execute
arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04
LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10.
(CVE-2026-89161)
It was discovered that PCRE2 could expose uninitialized data in certain
circumstances. A local attacker could possibly use this issue to obtain
sensitive information. This issue only affected Ubuntu 26.04 LTS and
Ubuntu 26.10. (CVE-2026-89162)
Michael Allen discovered that PCRE2 did not correctly manage memory when
using just-in-time compilation. An attacker could possibly use this issue
to execute arbitrary code. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS,
and Ubuntu 26.10. (CVE-2026-103111)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
Reduce your security exposure
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