ELSA-2026-83657

ELSA-2026-83657 - wireshark security update

Type:	SECURITY
Impact:	MODERATE
Release Date:	2026-10-15

Description

[1:2.6.2-21]
- Fix DoS vulnerability in H.245 protocol dissector (CVE-2026-76927)
- Resolves: RHEL-257649

[1:2.6.2-20]
- Fix DoS vulnerability in ESS protocol dissector (CVE-2026-76919)
- Resolves: RHEL-257614

[1:2.6.2-19]
- Fix DoS via C12.22 protocol dissector crash (CVE-2026-76886)
- Resolves: RHEL-247378

[1:2.6.2-18]
- Fix DoS via RRC protocol dissector out-of-bounds write (CVE-2026-76880)
- Resolves: RHEL-245613

Related CVEs

CVE-2026-76880

CVE-2026-76886

CVE-2026-76919

CVE-2026-76927

Updated Packages

Release/Architecture	Filename	sha256	Superseded By Advisory	Channel Label
Oracle Linux 8 (aarch64)	wireshark-2.6.2-21.el8_10.src.rpm	81dcfeaf0af75e32b4e8b8cc6c1abd5731d50283f79e5d671c8f79c633427399	-	ol8_aarch64_appstream
	wireshark-2.6.2-21.el8_10.src.rpm	81dcfeaf0af75e32b4e8b8cc6c1abd5731d50283f79e5d671c8f79c633427399	-	ol8_aarch64_codeready_builder
	wireshark-2.6.2-21.el8_10.aarch64.rpm	46589dd5783d6ba60d6a6ba7e1e1037a3b29eda426c3bb45984181a042696f9e	-	ol8_aarch64_appstream
	wireshark-cli-2.6.2-21.el8_10.aarch64.rpm	ce79228c66f73e339cbaa7d9d80645fc4e4d76c5c6808b86d2fbde88fb184f44	-	ol8_aarch64_appstream
	wireshark-devel-2.6.2-21.el8_10.aarch64.rpm	e3b474f535af156bf2355dd2ae759ab0644e64bb245ffd15734eecb76a5c42da	-	ol8_aarch64_codeready_builder
Oracle Linux 8 (x86_64)	wireshark-2.6.2-21.el8_10.src.rpm	81dcfeaf0af75e32b4e8b8cc6c1abd5731d50283f79e5d671c8f79c633427399	-	ol8_x86_64_appstream
	wireshark-2.6.2-21.el8_10.src.rpm	81dcfeaf0af75e32b4e8b8cc6c1abd5731d50283f79e5d671c8f79c633427399	-	ol8_x86_64_codeready_builder
	wireshark-2.6.2-21.el8_10.x86_64.rpm	579d61f5001bcc76ecf22956a010c5ef13c5c51b034246166d825a0dca23d9d6	-	ol8_x86_64_appstream
	wireshark-cli-2.6.2-21.el8_10.i686.rpm	8b49368dcbd67a89d133b0fe3d275fa08f8a6f41c5f6d5871688c5bea88f2ee0	-	ol8_x86_64_appstream
	wireshark-cli-2.6.2-21.el8_10.x86_64.rpm	0b88cb888403db8df85ae3ecff5703336d8c02d4d4853e3ec1bca0d95064be39	-	ol8_x86_64_appstream
	wireshark-devel-2.6.2-21.el8_10.i686.rpm	923fef845ead7df2cc5c22204db69fd22a3c6b1d06ea4c08c18b9fe82cd5e7e5	-	ol8_x86_64_codeready_builder
	wireshark-devel-2.6.2-21.el8_10.x86_64.rpm	59a870e94f16433c0b27598f433f668025785eacde2f697fb0f23789a7a2c2f5	-	ol8_x86_64_codeready_builder

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