[ALSA-2026:23231] Important: unbound security update
Type:
security
Severity:
important
Release date:
2026-06-04
Description:
The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fix(es): * unbound: Heap overflow and crash with multiple nsid, cookie, padding EDNS options (CVE-2026-42944) * unbound: Unbound DNSSEC Validator Denial of Service via Incorrect Write Offset Counter in Chase-Reply Messages (CVE-2026-42959) * unbound: Unbound DNSSEC Validator Use-After-Free via Deep Copy Pointer Overwrite Leading to DoS and Possible Remote Code Execution (CVE-2026-33278) 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.
References:
Updated packages listed below:
Architecture Package Checksum
aarch64 unbound-utils-1.24.2-7.el10_2.1.aarch64.rpm 352ae91a8aba6f89ab6c98af982a4fd6d50f90988faebd8ca516181195b1bf36
aarch64 unbound-devel-1.24.2-7.el10_2.1.aarch64.rpm 4638922d68b50aedeff93f5959c310df6d9a2e4f26ed278ac63c4d6f1ebdc699
aarch64 unbound-1.24.2-7.el10_2.1.aarch64.rpm 509f5bd08a17f6c530f7f90352514eb82e4a8709ac36ca844bd3501e335c978c
aarch64 unbound-dracut-1.24.2-7.el10_2.1.aarch64.rpm 84640383872f9d4e524e07e4b32916aa541dd6980fd64b9ca750886bafae4148
aarch64 unbound-anchor-1.24.2-7.el10_2.1.aarch64.rpm aca7e689986679bd77a09db9e82769043f3d8b626a601fd33a53e23982f0a630
aarch64 unbound-libs-1.24.2-7.el10_2.1.aarch64.rpm c6538f3a0ce2ecce51ec2d5a4d9765ee8eba85b4c5dcba157f2987838a70178c
aarch64 python3-unbound-1.24.2-7.el10_2.1.aarch64.rpm c7969241ba638c60efde2db3271f89f5f4808360964d81d2b4e63ea0f35649cf
ppc64le unbound-1.24.2-7.el10_2.1.ppc64le.rpm 079d4cc5c8bf5ca10040bcf8f69a4dc12bac9639099d3362979a6a8dffa9990a
ppc64le unbound-anchor-1.24.2-7.el10_2.1.ppc64le.rpm 2d8eb701d59b99a9fcf0fbe89214c1f45e97e9af09196390442ea0e14ccf7ab7
ppc64le unbound-dracut-1.24.2-7.el10_2.1.ppc64le.rpm 384cfa63d6a5ad3f9929d4d1f342df0360931239f3569b3ad623580b5f14a0ac
ppc64le unbound-utils-1.24.2-7.el10_2.1.ppc64le.rpm 3ccce960b10ea22715d0d091bd850209b15e2118993b6df444585eac187d45a6
ppc64le unbound-devel-1.24.2-7.el10_2.1.ppc64le.rpm 80bae319a73de973ef63685f5f4eb5b5b725a39f13a636cc7c0d6b9339eed76c
ppc64le python3-unbound-1.24.2-7.el10_2.1.ppc64le.rpm 8a435f7d8e80aac6dc893eb8329b6d4481e605bf8b3a90f516ae1b297d922d7b
ppc64le unbound-libs-1.24.2-7.el10_2.1.ppc64le.rpm f48577474cf0b098b3c478e1e1d0ed2ae908c19a62180e8d3871b89c8019e49f
s390x unbound-utils-1.24.2-7.el10_2.1.s390x.rpm 06a0879427b8759aba8de36707ce8d3226f120a7718aa29e3927bebc7a4b3a1f
s390x unbound-libs-1.24.2-7.el10_2.1.s390x.rpm 21eefce0b2062093e46ee824f08ee2152ca6c9b03432f1c6974bae9be9212976
s390x unbound-1.24.2-7.el10_2.1.s390x.rpm 454d9a91195207496da1d915c8303304ff9ac1378d19b57f18b7b5f7cd20e080
s390x unbound-devel-1.24.2-7.el10_2.1.s390x.rpm 52aac252048d9acbda63f3c0ba66a38fd3801afb4f4035266b1172afc73f50aa
s390x unbound-dracut-1.24.2-7.el10_2.1.s390x.rpm 7f26ff8476f93df050cf7c67411444de648905729c64e1b28ca554772ec37955
s390x python3-unbound-1.24.2-7.el10_2.1.s390x.rpm 9d4b85648a6990e34b8b21e7ef744a24780e549164f03f21b96e511e524513a5
s390x unbound-anchor-1.24.2-7.el10_2.1.s390x.rpm a42309b51c072a3a357614d0d3cea00599edaf22bb37f40f53b26ae133d2f458
x86_64 unbound-dracut-1.24.2-7.el10_2.1.x86_64.rpm 1f2b7a0ec44cbed0ba29f3ff4c829d3a740482b208d6aa15738105b3a26d68cb
x86_64 unbound-1.24.2-7.el10_2.1.x86_64.rpm 39607ee5f58c1002d2b5973b3440a501eaa5206af5a58285b4f92ec82d6900c4
x86_64 unbound-utils-1.24.2-7.el10_2.1.x86_64.rpm 493df831a520b0dbfc33c88b3f651f24536edceb6c2e2433ee0076ba51bb4e8f
x86_64 unbound-anchor-1.24.2-7.el10_2.1.x86_64.rpm 4c8837f858f185a685107a2d23cf1f7866f3c890642875e5d018b996ff8a718f
x86_64 python3-unbound-1.24.2-7.el10_2.1.x86_64.rpm 7a128194e2c1a158e566d6a179fd766133d46fe09194c4333c70558ed3c43faa
x86_64 unbound-libs-1.24.2-7.el10_2.1.x86_64.rpm a4e30ebdb6e40b3d0538f0bfec0cec51df9b2c4dc67a8b2d2684620454c42116
x86_64 unbound-devel-1.24.2-7.el10_2.1.x86_64.rpm d324712562d135ede1a6abc94a16c03f8cff6e9f995e6362b50c26bac0f192cb
x86_64_v2 unbound-anchor-1.24.2-7.el10_2.1.x86_64_v2.rpm 0ad181f5b53609721164a982bc1594d388028d6daa8c3e3f02b74c37828f1edf
x86_64_v2 unbound-libs-1.24.2-7.el10_2.1.x86_64_v2.rpm 101bac9c71d326534e72bff9e2628a752b62f0f3eead27694125450ebbd08a60
x86_64_v2 unbound-devel-1.24.2-7.el10_2.1.x86_64_v2.rpm 3f8cc0a52eb8a40dfdaa9bbd2482dc23c9a2a4058eea1904a581dbea738e29ec
x86_64_v2 python3-unbound-1.24.2-7.el10_2.1.x86_64_v2.rpm 5deb382341e0f741c00483324391caeaab853572f1df8eb648c195d7ac5082e7
x86_64_v2 unbound-utils-1.24.2-7.el10_2.1.x86_64_v2.rpm 6b9d7d54790ddb5be82745459d8faaa3f879fb42c6955b67a8fbb9c98ca9e93a
x86_64_v2 unbound-dracut-1.24.2-7.el10_2.1.x86_64_v2.rpm 7d0fac45bd28db8749c487978a68231631c554a0dc4c4b7e7e5fe033f7f7e263
x86_64_v2 unbound-1.24.2-7.el10_2.1.x86_64_v2.rpm b2c979393c14030c9c1e03e27c06154e5b3fd055b880bf433045ff144ff233e8
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.