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01 Record

CVE-2015-0837

The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during

UnratedPUBLISHEDCNA: debian
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during

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
1.95% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 80.0% of scored records. A rank, not a probability.
NVD base score
5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Low. 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
2019-11-29 21:10Z6 YR AGO
Last updated
2024-08-06 04:26Z2 YR AGO
Reserved
2015-01-07
Assigning CNA
debian
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
74ce40560f54f13d526394731d417f5f35333cbcc468943a6dd7ca8d315c0dae

05 Affected products

VendorProductVersionsPlatforms
GNULibgcryptbefore 1.6.3—
GNUGnuPGbefore 1.4.19—

06 References

07 Fixed in

Debian 12

  • libgcrypt20
    Fixed in 1.6.3-2

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

Debian 13

  • libgcrypt20
    Fixed in 1.6.3-2

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

Debian 14

  • libgcrypt20
    Fixed in 1.6.3-2

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

Ubuntu 14.04 LTS

  • gnupg
    Fixed in 1.4.16-1ubuntu2.3
  • libgcrypt11
    Fixed in 1.5.3-2ubuntu4.2
  • libgcrypt20
    Fixed in 1.6.1-2ubuntu1.14.04.1

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.