CVE-2021-3345
HIGH
7.8
CVSS Score
Published: January 29, 2021 at 02:20 PM UTC
Updated: June 17, 2026 at 04:04 AM UTC
2 products affected across 2 vendorsCommunications Billing and Revenue ManagementLibgcrypt
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Severity
HIGH7.8
Exploit prediction
EPSS 1%
Description
_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://bugs.gentoo.org/show_bug.cgi?id=767814x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.htmlx_refsource_MISCMailing ListPatchVendor Advisory
Source: [email protected]
https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.htmlx_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.oracle.com//security-alerts/cpujul2021.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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