Red Hat Product Errata RHSA-2026:26182 - Security Advisory
Issued:
2026-06-16
Updated:
2026-06-16

RHSA-2026:26182 - Security Advisory

Synopsis

Important: wireshark security update

Type/Severity

Security Advisory: Important

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for wireshark is now available for Red Hat Enterprise Linux 10.0 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network.

Security Fix(es):

  • wireshark: Buffer Over-read in Wireshark (CVE-2026-3203)
  • wireshark: Improperly Controlled Sequential Memory Allocation in Wireshark (CVE-2026-3201)
  • wireshark: Heap-based Buffer Overflow in Wireshark (CVE-2026-5405)
  • wireshark: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Wireshark (CVE-2026-5656)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le
  • Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x
  • Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x
  • Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le
  • Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64

Fixes

  • BZ - 2442639 - CVE-2026-3203 wireshark: Buffer Over-read in Wireshark
  • BZ - 2442641 - CVE-2026-3201 wireshark: Improperly Controlled Sequential Memory Allocation in Wireshark
  • BZ - 2464273 - CVE-2026-5405 wireshark: Heap-based Buffer Overflow in Wireshark
  • BZ - 2464276 - CVE-2026-5656 wireshark: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Wireshark

Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0

SRPM
wireshark-4.4.2-3.el10_0.4.src.rpm SHA-256: 5a8454a5b6e04bf82fb022ab0c3fd0f933bfb9d4df8de7af847cf571fb08d276
x86_64
wireshark-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: f9222b881fbf9fc6fccc718eb12c5df9e4d5d28f0e6517d1c82fdde9f4cc5580
wireshark-cli-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: 1252ded2708d03fb587f09eb1af26c5305762ac4472381ee576597199ef5deaf
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: af75fbcff2360242c3b36ef0a1bbc0f884553bf6b27b45fe466556ba2ef8facc
wireshark-debuginfo-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: 0d17d35e90ec9ca1ff4bf29bda350f2aefb9315a8dd99a3e1943e5aa517a608d
wireshark-debugsource-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: 6e36bb3410d14d0a1ed29d6f582eb86b580aee2545686f6cb7e9ea513c7655de

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0

SRPM
wireshark-4.4.2-3.el10_0.4.src.rpm SHA-256: 5a8454a5b6e04bf82fb022ab0c3fd0f933bfb9d4df8de7af847cf571fb08d276
s390x
wireshark-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 60e745d2530043feb887fc7f2b6055baf3608f8f2f4eb04acb9b878e0121d601
wireshark-cli-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 42141fe0c703552abb6f463ee3233e5aece7f0676eff9f9d603c4e1ce3e94601
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 3e56e390dc0c8b16a5b018995a695957561666d365b6bc7e965269c6553db0ec
wireshark-debuginfo-4.4.2-3.el10_0.4.s390x.rpm SHA-256: ea774ddb7abc5c8269b8b959a84a87677539f900ba22ebe168772826eac320f6
wireshark-debugsource-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 2529a2307784f552413bf54c940d3eeccde7794d74950ccc289bef2c3cfd98ae

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0

SRPM
wireshark-4.4.2-3.el10_0.4.src.rpm SHA-256: 5a8454a5b6e04bf82fb022ab0c3fd0f933bfb9d4df8de7af847cf571fb08d276
ppc64le
wireshark-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: f4c916f56ec3ed72137232f18c0ef1ccdb93c9ac1573826e850d25c692d9c2fe
wireshark-cli-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: ec187f7cfb67afd93b54bff4a1f47a4fc27305e964e69f50f5ff5fc2fee75527
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: ead76239b50b42a79f852d7e6c8cee0c03d645b2066fc47743b695c6021327ae
wireshark-debuginfo-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: 7cfec94be4c8f7236b802f36447769387356e6e70d51be068d31e18d2926a70e
wireshark-debugsource-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: de9442d1da2aae1a43395b8e0a61d339424706edff7affab0a4b400e8a13f737

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0

SRPM
wireshark-4.4.2-3.el10_0.4.src.rpm SHA-256: 5a8454a5b6e04bf82fb022ab0c3fd0f933bfb9d4df8de7af847cf571fb08d276
aarch64
wireshark-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: 1cf506954992d165fb0e7f77c2105d834cb6e0c9c1d8fecc413fdfedd530a435
wireshark-cli-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: 13279affcac7d334e160fdb5c98e3ea86b964656868c56c149040968951d8893
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: 48a325a55a4999de63f3c75735f4c20464603ab7952cdf4af6aec172934fb1be
wireshark-debuginfo-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: f559bb77be1ad119740b4897ccccd48930fa2d1a1af4190d3c702584e352e89d
wireshark-debugsource-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: 86bc1c8ca850a40adaaa14a3dd57767bc73cb2eda1e803b25a1b58ce4d1e5963

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0

SRPM
x86_64
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: af75fbcff2360242c3b36ef0a1bbc0f884553bf6b27b45fe466556ba2ef8facc
wireshark-debuginfo-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: 0d17d35e90ec9ca1ff4bf29bda350f2aefb9315a8dd99a3e1943e5aa517a608d
wireshark-debugsource-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: 6e36bb3410d14d0a1ed29d6f582eb86b580aee2545686f6cb7e9ea513c7655de
wireshark-devel-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: ab5ed70edc86c8373f022442f0590981e3bdc9a071c0712d7ffe6aa295c93481

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0

SRPM
ppc64le
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: ead76239b50b42a79f852d7e6c8cee0c03d645b2066fc47743b695c6021327ae
wireshark-debuginfo-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: 7cfec94be4c8f7236b802f36447769387356e6e70d51be068d31e18d2926a70e
wireshark-debugsource-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: de9442d1da2aae1a43395b8e0a61d339424706edff7affab0a4b400e8a13f737
wireshark-devel-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: ddb7307595cd72a6b52361c8c70b6f1847385254137a19d62d8dac5fecd0f94b

Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0

SRPM
s390x
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 3e56e390dc0c8b16a5b018995a695957561666d365b6bc7e965269c6553db0ec
wireshark-debuginfo-4.4.2-3.el10_0.4.s390x.rpm SHA-256: ea774ddb7abc5c8269b8b959a84a87677539f900ba22ebe168772826eac320f6
wireshark-debugsource-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 2529a2307784f552413bf54c940d3eeccde7794d74950ccc289bef2c3cfd98ae
wireshark-devel-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 11879f6199215bb48fe2def4b05657db542de54ea7fcbe2734dde43173ff93a7

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0

SRPM
aarch64
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: 48a325a55a4999de63f3c75735f4c20464603ab7952cdf4af6aec172934fb1be
wireshark-debuginfo-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: f559bb77be1ad119740b4897ccccd48930fa2d1a1af4190d3c702584e352e89d
wireshark-debugsource-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: 86bc1c8ca850a40adaaa14a3dd57767bc73cb2eda1e803b25a1b58ce4d1e5963
wireshark-devel-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: e27ded0e00b5b05db34e460d7836dd3124d2fe2ddc26b2d4212d35224b261a31

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0

SRPM
wireshark-4.4.2-3.el10_0.4.src.rpm SHA-256: 5a8454a5b6e04bf82fb022ab0c3fd0f933bfb9d4df8de7af847cf571fb08d276
aarch64
wireshark-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: 1cf506954992d165fb0e7f77c2105d834cb6e0c9c1d8fecc413fdfedd530a435
wireshark-cli-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: 13279affcac7d334e160fdb5c98e3ea86b964656868c56c149040968951d8893
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: 48a325a55a4999de63f3c75735f4c20464603ab7952cdf4af6aec172934fb1be
wireshark-debuginfo-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: f559bb77be1ad119740b4897ccccd48930fa2d1a1af4190d3c702584e352e89d
wireshark-debugsource-4.4.2-3.el10_0.4.aarch64.rpm SHA-256: 86bc1c8ca850a40adaaa14a3dd57767bc73cb2eda1e803b25a1b58ce4d1e5963

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0

SRPM
wireshark-4.4.2-3.el10_0.4.src.rpm SHA-256: 5a8454a5b6e04bf82fb022ab0c3fd0f933bfb9d4df8de7af847cf571fb08d276
s390x
wireshark-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 60e745d2530043feb887fc7f2b6055baf3608f8f2f4eb04acb9b878e0121d601
wireshark-cli-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 42141fe0c703552abb6f463ee3233e5aece7f0676eff9f9d603c4e1ce3e94601
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 3e56e390dc0c8b16a5b018995a695957561666d365b6bc7e965269c6553db0ec
wireshark-debuginfo-4.4.2-3.el10_0.4.s390x.rpm SHA-256: ea774ddb7abc5c8269b8b959a84a87677539f900ba22ebe168772826eac320f6
wireshark-debugsource-4.4.2-3.el10_0.4.s390x.rpm SHA-256: 2529a2307784f552413bf54c940d3eeccde7794d74950ccc289bef2c3cfd98ae

Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0

SRPM
wireshark-4.4.2-3.el10_0.4.src.rpm SHA-256: 5a8454a5b6e04bf82fb022ab0c3fd0f933bfb9d4df8de7af847cf571fb08d276
ppc64le
wireshark-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: f4c916f56ec3ed72137232f18c0ef1ccdb93c9ac1573826e850d25c692d9c2fe
wireshark-cli-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: ec187f7cfb67afd93b54bff4a1f47a4fc27305e964e69f50f5ff5fc2fee75527
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: ead76239b50b42a79f852d7e6c8cee0c03d645b2066fc47743b695c6021327ae
wireshark-debuginfo-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: 7cfec94be4c8f7236b802f36447769387356e6e70d51be068d31e18d2926a70e
wireshark-debugsource-4.4.2-3.el10_0.4.ppc64le.rpm SHA-256: de9442d1da2aae1a43395b8e0a61d339424706edff7affab0a4b400e8a13f737

Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0

SRPM
wireshark-4.4.2-3.el10_0.4.src.rpm SHA-256: 5a8454a5b6e04bf82fb022ab0c3fd0f933bfb9d4df8de7af847cf571fb08d276
x86_64
wireshark-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: f9222b881fbf9fc6fccc718eb12c5df9e4d5d28f0e6517d1c82fdde9f4cc5580
wireshark-cli-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: 1252ded2708d03fb587f09eb1af26c5305762ac4472381ee576597199ef5deaf
wireshark-cli-debuginfo-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: af75fbcff2360242c3b36ef0a1bbc0f884553bf6b27b45fe466556ba2ef8facc
wireshark-debuginfo-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: 0d17d35e90ec9ca1ff4bf29bda350f2aefb9315a8dd99a3e1943e5aa517a608d
wireshark-debugsource-4.4.2-3.el10_0.4.x86_64.rpm SHA-256: 6e36bb3410d14d0a1ed29d6f582eb86b580aee2545686f6cb7e9ea513c7655de

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