OESA-2026-4550

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Source

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-4550

Import Source

https://repo.openeuler.org/security/data/osv/OESA-2026-4550.json

JSON Data

https://api.osv.dev/v1/vulns/OESA-2026-4550

Upstream

CVE-2026-111269

Published

2026-10-29T09:02:50Z

Modified

2026-10-29T09:15:26Z

Severity

6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H CVSS Calculator

Summary

libical security update

Details

Libical is an open source implementation of the IETF's iCalendar calendaring and scheduling protocols (RFC 2445, 2446, and 2447). It parses iCal components and provides a C API for manipulating the component properties, parameters, and subcomponents.

Security Fix(es):

libical through 4.0.6 contains a heap-based out-of-bounds read in icalvalue_decode_ical_string() in src/libical/icalvalue.c when decoding input ending in a backslash. Attackers can supply escaped iCalendar text with a trailing backslash, causing the loop to read past the terminator and crash the application or leak adjacent heap memory.(CVE-2026-111269)

Database specific

{
    "severity":  "Medium"
}

References

Affected packages

openEuler:24.03-LTS-SP3 / libical

Package

Name: libical
Purl: pkg:rpm/openEuler/libical&distro=openEuler-24.03-LTS-SP3

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

3.0.17-4.oe2403sp3

Ecosystem specific

{
    "aarch64":  [
        "libical-3.0.17-4.oe2403sp3.aarch64.rpm",
        "libical-debuginfo-3.0.17-4.oe2403sp3.aarch64.rpm",
        "libical-debugsource-3.0.17-4.oe2403sp3.aarch64.rpm",
        "libical-devel-3.0.17-4.oe2403sp3.aarch64.rpm"
    ],
    "src":  [
        "libical-3.0.17-4.oe2403sp3.src.rpm"
    ],
    "x86_64":  [
        "libical-3.0.17-4.oe2403sp3.x86_64.rpm",
        "libical-debuginfo-3.0.17-4.oe2403sp3.x86_64.rpm",
        "libical-debugsource-3.0.17-4.oe2403sp3.x86_64.rpm",
        "libical-devel-3.0.17-4.oe2403sp3.x86_64.rpm"
    ]
}

Database specific

source

"https://repo.openeuler.org/security/data/osv/OESA-2026-4550.json"