ALAS2-2026-3905


Amazon Linux 2 (EOS) Security Advisory: ALAS2-2026-3905
Advisory Released Date: 2026-09-14
Advisory Updated Date: 2026-09-14
Severity: Important

Issue Overview:

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76879)

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76886)


Affected Packages:

wireshark


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update wireshark or yum update --advisory ALAS2-2026-3905 to update your system.

New Packages:
aarch64:
    wireshark-2.6.2-15.amzn2.0.11.aarch64
    wireshark-cli-2.6.2-15.amzn2.0.11.aarch64
    wireshark-devel-2.6.2-15.amzn2.0.11.aarch64
    wireshark-debuginfo-2.6.2-15.amzn2.0.11.aarch64

i686:
    wireshark-2.6.2-15.amzn2.0.11.i686
    wireshark-cli-2.6.2-15.amzn2.0.11.i686
    wireshark-devel-2.6.2-15.amzn2.0.11.i686
    wireshark-debuginfo-2.6.2-15.amzn2.0.11.i686

src:
    wireshark-2.6.2-15.amzn2.0.11.src

x86_64:
    wireshark-2.6.2-15.amzn2.0.11.x86_64
    wireshark-cli-2.6.2-15.amzn2.0.11.x86_64
    wireshark-devel-2.6.2-15.amzn2.0.11.x86_64
    wireshark-debuginfo-2.6.2-15.amzn2.0.11.x86_64