- Issued:
- 2026-07-28
- Updated:
- 2026-07-28
RHSA-2026:47117 - Security Advisory
Synopsis
Moderate: libgcrypt security update
Type/Severity
Security Advisory: Moderate
Red Hat Lightspeed patch analysis
Identify and remediate systems affected by this advisory.
Topic
An update for libgcrypt is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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 libgcrypt library provides general-purpose implementations of various cryptographic algorithms.
Security Fix(es):
- Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext (CVE-2026-41989)
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:
Affected Products
- Red Hat Enterprise Linux for x86_64 8 x86_64
- Red Hat Enterprise Linux for IBM z Systems 8 s390x
- Red Hat Enterprise Linux for Power, little endian 8 ppc64le
- Red Hat Enterprise Linux for ARM 64 8 aarch64
- Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64
- Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64
- Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le
- Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x
Fixes
- BZ - 2461063 - CVE-2026-41989 Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext
CVEs
Red Hat Enterprise Linux for x86_64 8
| SRPM | |
|---|---|
| libgcrypt-1.8.5-8.el8_10.src.rpm | SHA-256: 5501ad64cc36ae54b7c0c22ea47f8758369fed3b0d18309d74fb3ca8ddb2397a |
| x86_64 | |
| libgcrypt-1.8.5-8.el8_10.i686.rpm | SHA-256: d6752789e2a297349ca4deea53249c8c6d37bd1bb3a16ff91bfa5f7ecba654e1 |
| libgcrypt-1.8.5-8.el8_10.x86_64.rpm | SHA-256: efff0ccb63fbdaf0e23242e8e3b282b8329ad4e7753f268cf848d00b2738301e |
| libgcrypt-debuginfo-1.8.5-8.el8_10.i686.rpm | SHA-256: f1e752391ea8596e67fd003a35bf52144e603d1b480d5a3d473b8339c5307a3f |
| libgcrypt-debuginfo-1.8.5-8.el8_10.x86_64.rpm | SHA-256: c611469d4a010162c095cfe67843c82f411eae019236630cbcc19cb80dfa409a |
| libgcrypt-debugsource-1.8.5-8.el8_10.i686.rpm | SHA-256: e1f9f12235521f56284e987b754085bb0b8061af6eb0fb4e9c1cc64fe61a3841 |
| libgcrypt-debugsource-1.8.5-8.el8_10.x86_64.rpm | SHA-256: ccd0ceba39c1f62291a27ccf7db0d14accf54931470ab0d1a0b11643d2ae1da0 |
| libgcrypt-devel-1.8.5-8.el8_10.i686.rpm | SHA-256: 875db8530f43362799229a09beec3b1cef7f353ddfad8ea203f7030e941336a5 |
| libgcrypt-devel-1.8.5-8.el8_10.x86_64.rpm | SHA-256: 78bac84905f93d6f281bd93994a93c74564395de9cadf3482347c34cc9770ecf |
| libgcrypt-devel-debuginfo-1.8.5-8.el8_10.i686.rpm | SHA-256: bf40f052474f07617b48a8dabdd6b0d568651772b618e629ef357eaf09b87e3a |
| libgcrypt-devel-debuginfo-1.8.5-8.el8_10.x86_64.rpm | SHA-256: af1b3452ebf007a348b7de6762a5fa01239f5d1c8e06825cfd733b6fbcdb6623 |
Red Hat Enterprise Linux for IBM z Systems 8
| SRPM | |
|---|---|
| libgcrypt-1.8.5-8.el8_10.src.rpm | SHA-256: 5501ad64cc36ae54b7c0c22ea47f8758369fed3b0d18309d74fb3ca8ddb2397a |
| s390x | |
| libgcrypt-1.8.5-8.el8_10.s390x.rpm | SHA-256: 009071f5c89aeacd59d78df30c2fdc413f5d2c0740636ab09a79705d1625a218 |
| libgcrypt-debuginfo-1.8.5-8.el8_10.s390x.rpm | SHA-256: c06f28299dc66a5b847ea565a37fbca1c8319cfd482f2a7e86c1a50845672638 |
| libgcrypt-debugsource-1.8.5-8.el8_10.s390x.rpm | SHA-256: 57a9c1cf4cc53f6e4ba953aa606d8da86f214cb00828820745b0dc9a68ff3139 |
| libgcrypt-devel-1.8.5-8.el8_10.s390x.rpm | SHA-256: 4a4dce4f9c747995a4f59234fe1b9303e06b9a5d7f9bacd6c98381ea97c9933a |
| libgcrypt-devel-debuginfo-1.8.5-8.el8_10.s390x.rpm | SHA-256: 3e5c1c4349e4adcf048697bbc8893ed49a13131bbab9bce84552443e51488fce |
Red Hat Enterprise Linux for Power, little endian 8
| SRPM | |
|---|---|
| libgcrypt-1.8.5-8.el8_10.src.rpm | SHA-256: 5501ad64cc36ae54b7c0c22ea47f8758369fed3b0d18309d74fb3ca8ddb2397a |
| ppc64le | |
| libgcrypt-1.8.5-8.el8_10.ppc64le.rpm | SHA-256: c893ebc0c42bfc49fbf4f819818d275c5dd690982b682d6bfad87c9b3af7dc63 |
| libgcrypt-debuginfo-1.8.5-8.el8_10.ppc64le.rpm | SHA-256: 2414e97feb1be9bf6f5b24cdad274073ecee572ae68c41ddc0fd9bb1f36c39bb |
| libgcrypt-debugsource-1.8.5-8.el8_10.ppc64le.rpm | SHA-256: 1d831eb0157484088ba0df0144266245d2aa6defdfab2bea72fd625679feb9c6 |
| libgcrypt-devel-1.8.5-8.el8_10.ppc64le.rpm | SHA-256: cc52557e43bee2a9244c398732f6fe766c6ddd006dac823d95cb869ef946fdc1 |
| libgcrypt-devel-debuginfo-1.8.5-8.el8_10.ppc64le.rpm | SHA-256: fdda6a3c6f367f13e418374d057fa711fe44420eb9cdac468decbb10707fd908 |
Red Hat Enterprise Linux for ARM 64 8
| SRPM | |
|---|---|
| libgcrypt-1.8.5-8.el8_10.src.rpm | SHA-256: 5501ad64cc36ae54b7c0c22ea47f8758369fed3b0d18309d74fb3ca8ddb2397a |
| aarch64 | |
| libgcrypt-1.8.5-8.el8_10.aarch64.rpm | SHA-256: 237b6e412cfb770bb064add9bc559ae3e34f308cb6d1c95af175c1238888361c |
| libgcrypt-debuginfo-1.8.5-8.el8_10.aarch64.rpm | SHA-256: 00f56a64fb5d5071e71e799e0ebff7f41b8f70034fa620e655bbe2dbb84cbbff |
| libgcrypt-debugsource-1.8.5-8.el8_10.aarch64.rpm | SHA-256: 719b1f8ca0346e020a71e9f0646fde4505d8eb3bc1e2b443371d1b3130216902 |
| libgcrypt-devel-1.8.5-8.el8_10.aarch64.rpm | SHA-256: 21cd00cb47e76615e5da12057c48f34b022ed67d0a3cd861c025d7e4986fa73d |
| libgcrypt-devel-debuginfo-1.8.5-8.el8_10.aarch64.rpm | SHA-256: 849711dc31eb0b0bdbfd98218cee7d409d64e9769b50409a2a92ca788fb7453e |
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10
| SRPM | |
|---|---|
| libgcrypt-1.8.5-8.el8_10.src.rpm | SHA-256: 5501ad64cc36ae54b7c0c22ea47f8758369fed3b0d18309d74fb3ca8ddb2397a |
| x86_64 | |
| libgcrypt-1.8.5-8.el8_10.i686.rpm | SHA-256: d6752789e2a297349ca4deea53249c8c6d37bd1bb3a16ff91bfa5f7ecba654e1 |
| libgcrypt-1.8.5-8.el8_10.x86_64.rpm | SHA-256: efff0ccb63fbdaf0e23242e8e3b282b8329ad4e7753f268cf848d00b2738301e |
| libgcrypt-debuginfo-1.8.5-8.el8_10.i686.rpm | SHA-256: f1e752391ea8596e67fd003a35bf52144e603d1b480d5a3d473b8339c5307a3f |
| libgcrypt-debuginfo-1.8.5-8.el8_10.x86_64.rpm | SHA-256: c611469d4a010162c095cfe67843c82f411eae019236630cbcc19cb80dfa409a |
| libgcrypt-debugsource-1.8.5-8.el8_10.i686.rpm | SHA-256: e1f9f12235521f56284e987b754085bb0b8061af6eb0fb4e9c1cc64fe61a3841 |
| libgcrypt-debugsource-1.8.5-8.el8_10.x86_64.rpm | SHA-256: ccd0ceba39c1f62291a27ccf7db0d14accf54931470ab0d1a0b11643d2ae1da0 |
| libgcrypt-devel-1.8.5-8.el8_10.i686.rpm | SHA-256: 875db8530f43362799229a09beec3b1cef7f353ddfad8ea203f7030e941336a5 |
| libgcrypt-devel-1.8.5-8.el8_10.x86_64.rpm | SHA-256: 78bac84905f93d6f281bd93994a93c74564395de9cadf3482347c34cc9770ecf |
| libgcrypt-devel-debuginfo-1.8.5-8.el8_10.i686.rpm | SHA-256: bf40f052474f07617b48a8dabdd6b0d568651772b618e629ef357eaf09b87e3a |
| libgcrypt-devel-debuginfo-1.8.5-8.el8_10.x86_64.rpm | SHA-256: af1b3452ebf007a348b7de6762a5fa01239f5d1c8e06825cfd733b6fbcdb6623 |
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10
| SRPM | |
|---|---|
| libgcrypt-1.8.5-8.el8_10.src.rpm | SHA-256: 5501ad64cc36ae54b7c0c22ea47f8758369fed3b0d18309d74fb3ca8ddb2397a |
| aarch64 | |
| libgcrypt-1.8.5-8.el8_10.aarch64.rpm | SHA-256: 237b6e412cfb770bb064add9bc559ae3e34f308cb6d1c95af175c1238888361c |
| libgcrypt-debuginfo-1.8.5-8.el8_10.aarch64.rpm | SHA-256: 00f56a64fb5d5071e71e799e0ebff7f41b8f70034fa620e655bbe2dbb84cbbff |
| libgcrypt-debugsource-1.8.5-8.el8_10.aarch64.rpm | SHA-256: 719b1f8ca0346e020a71e9f0646fde4505d8eb3bc1e2b443371d1b3130216902 |
| libgcrypt-devel-1.8.5-8.el8_10.aarch64.rpm | SHA-256: 21cd00cb47e76615e5da12057c48f34b022ed67d0a3cd861c025d7e4986fa73d |
| libgcrypt-devel-debuginfo-1.8.5-8.el8_10.aarch64.rpm | SHA-256: 849711dc31eb0b0bdbfd98218cee7d409d64e9769b50409a2a92ca788fb7453e |
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10
| SRPM | |
|---|---|
| libgcrypt-1.8.5-8.el8_10.src.rpm | SHA-256: 5501ad64cc36ae54b7c0c22ea47f8758369fed3b0d18309d74fb3ca8ddb2397a |
| ppc64le | |
| libgcrypt-1.8.5-8.el8_10.ppc64le.rpm | SHA-256: c893ebc0c42bfc49fbf4f819818d275c5dd690982b682d6bfad87c9b3af7dc63 |
| libgcrypt-debuginfo-1.8.5-8.el8_10.ppc64le.rpm | SHA-256: 2414e97feb1be9bf6f5b24cdad274073ecee572ae68c41ddc0fd9bb1f36c39bb |
| libgcrypt-debugsource-1.8.5-8.el8_10.ppc64le.rpm | SHA-256: 1d831eb0157484088ba0df0144266245d2aa6defdfab2bea72fd625679feb9c6 |
| libgcrypt-devel-1.8.5-8.el8_10.ppc64le.rpm | SHA-256: cc52557e43bee2a9244c398732f6fe766c6ddd006dac823d95cb869ef946fdc1 |
| libgcrypt-devel-debuginfo-1.8.5-8.el8_10.ppc64le.rpm | SHA-256: fdda6a3c6f367f13e418374d057fa711fe44420eb9cdac468decbb10707fd908 |
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10
| SRPM | |
|---|---|
| libgcrypt-1.8.5-8.el8_10.src.rpm | SHA-256: 5501ad64cc36ae54b7c0c22ea47f8758369fed3b0d18309d74fb3ca8ddb2397a |
| s390x | |
| libgcrypt-1.8.5-8.el8_10.s390x.rpm | SHA-256: 009071f5c89aeacd59d78df30c2fdc413f5d2c0740636ab09a79705d1625a218 |
| libgcrypt-debuginfo-1.8.5-8.el8_10.s390x.rpm | SHA-256: c06f28299dc66a5b847ea565a37fbca1c8319cfd482f2a7e86c1a50845672638 |
| libgcrypt-debugsource-1.8.5-8.el8_10.s390x.rpm | SHA-256: 57a9c1cf4cc53f6e4ba953aa606d8da86f214cb00828820745b0dc9a68ff3139 |
| libgcrypt-devel-1.8.5-8.el8_10.s390x.rpm | SHA-256: 4a4dce4f9c747995a4f59234fe1b9303e06b9a5d7f9bacd6c98381ea97c9933a |
| libgcrypt-devel-debuginfo-1.8.5-8.el8_10.s390x.rpm | SHA-256: 3e5c1c4349e4adcf048697bbc8893ed49a13131bbab9bce84552443e51488fce |
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