PT-2022-7541 · Hdf5+3 · Hdf5+3

Zfeixqo · Published 2022-01-21 · Updated 2026-03-29 · CVE-2021-46242

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions HDF5 version 1.13.1-1

Description The issue is related to a null pointer dereference in the H5AC unpin entry component of the HDF5 library. Exploitation of this issue may allow a remote attacker to impact the confidentiality, integrity, and availability of information. It is also described as a heap-use-after-free vulnerability via the H5AC unpin entry component.

Recommendations For HDF5 version 1.13.1-1, as a temporary workaround, consider disabling the H5AC unpin entry function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2024-07115

CVE-2021-46242

ECHO-8D02-7A22-E43E

OPENSUSE-SU-2022_3827-1

OPENSUSE-SU-2022_3829-1

SUSE-SU-2022:3824-1

SUSE-SU-2022:3825-1

SUSE-SU-2022:3826-1

SUSE-SU-2022:3827-1

SUSE-SU-2022:3828-1

SUSE-SU-2022:3829-1

Affected Products

Debian

Hdf5

Red Os

Suse

References · 49

• 🔥 https://github.com/HDFGroup/hdf5/issues/1329 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2022:3828-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46242 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46242 · Security Note
• https://ubuntu.com/security/CVE-2021-46242 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:3829-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-07115 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:3826-1 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2021-46242 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:3827-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-46242 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-46242 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:3824-1 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/686197 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:3825-1 · Vendor Advisory