CVE-2020-7105

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference...

7.5 HighFix available

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference because malloc return values are unchecked.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

2.76%Up 1.7 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference because malloc return values are unchecked.

Record: CVE-2020-7105
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-476
Updated: 2026-11-02

CVE List No score

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference because malloc return values are unchecked.

Record: CVE-2020-7105
Updated: 2026-11-02

EUVDEUVD-2020-28239 No score

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference because malloc return values are unchecked.

Record: EUVD-2020-28239
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cjp9-9h2g-g3x5 7.5

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference...

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference because malloc return values are unchecked.

Record: GHSA-cjp9-9h2g-g3x5
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

OSVBELL-CVE-2020-7105 7.5

CVE-2020-7105 does not affect BellSoft software

Record: BELL-CVE-2020-7105
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV 7.5

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference because malloc return values are unchecked.

Record: CVE-2020-7105
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

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OSVDEBIAN-CVE-2020-7105 7.5

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference because malloc return values are unchecked.

Record: DEBIAN-CVE-2020-7105
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2020-7105 7.5

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference because malloc return values are unchecked.

Record: UBUNTU-CVE-2020-7105
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVMGASA-2020-0109 No score

Updated hiredis packages fix security vulnerability

Updated hiredis packages fix security vulnerability:

async.c and dict.c in libhiredis.a in hiredis through 0.14.0 allow a NULL pointer dereference because malloc return values are unchecked (CVE-2020-7105).

Record: MGASA-2020-0109
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10844-1 No score

hiredis-1.0.0-2.6 on GA media

These are all security issues fixed in the hiredis-1.0.0-2.6 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10844-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`hiredis` Debian:12	before 0.14.0-5	0.14.0-5
`hiredis` Debian:13	before 0.14.0-5	0.14.0-5
`hiredis` Debian:14	before 0.14.0-5	0.14.0-5
`hiredis` Debian:8	before 0.11.0-4+deb8u1, plus listed versions 0.11.0-4	0.11.0-4+deb8u1
`hiredis` Mageia:7	before 0.13.3-4.1.mga7	0.13.3-4.1.mga7
`hiredis` Ubuntu:16.04:LTS	All versions, plus listed versions 0.13.1-20.13.3-10.13.3-2	None known
`hiredis` Ubuntu:18.04:LTS	All versions, plus listed versions 0.13.3-20.13.3-2.10.13.3-2.2	None known
`hiredis` openSUSE:Tumbleweed	before 1.0.0-2.6	1.0.0-2.6

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-7105 is a high vulnerability (CVSS 7.5) in Redislabs Hiredis, published January 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.76%, the 86th percentile. Fixed in hiredis 0.14.0-5.

References

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