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01 Record

CVE-2018-0495

Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the

UnratedPUBLISHEDCNA: debian
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.86% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 58.6% of scored records. A rank, not a probability.
NVD base score
4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-10-14.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-06-13 23:00Z8 YR AGO
Last updated
2026-10-14 06:30Z15 DAYS AGO
Reserved
2017-11-27
Assigning CNA
debian
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
  • CWE-203Observable DiscrepancyBase
Data version
5.2
Document digest
587b426a309e17c78a79285a62e30ea62c8d97c949ae8098de748d213963e9ed

05 Affected products

VendorProductVersionsPlatforms
n/aLibgcrypt before 1.7.10 and 1.8.x before 1.8.3Libgcrypt before 1.7.10 and 1.8.x before 1.8.3—

06 References

07 Fixed in

Arch Linux

  • libgcrypt
    Fixed in 1.8.3-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

Debian 12

  • libgcrypt20
    Fixed in 1.8.3-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • libgcrypt20
    Fixed in 1.8.3-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • libgcrypt20
    Fixed in 1.8.3-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • libgcrypt11
    Fixed in 1.5.3-2ubuntu4.6
  • nss
    Fixed in 2:3.28.4-0ubuntu0.14.04.4
  • openssl
    Fixed in 1.0.1f-1ubuntu2.26

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • libgcrypt20
    Fixed in 1.6.5-2ubuntu0.5
  • nss
    Fixed in 2:3.28.4-0ubuntu0.16.04.4
  • openssl
    Fixed in 1.0.2g-1ubuntu4.13

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • libgcrypt20
    Fixed in 1.8.1-4ubuntu1.1
  • nss
    Fixed in 2:3.35-2ubuntu2.1
  • openssl
    Fixed in 1.1.0g-2ubuntu4.1
  • openssl1.0
    Fixed in 1.0.2n-1ubuntu5.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.