CVE-2020-7105: debian debian_linux NULL Pointer Dereference
CVSS: 7.5v3.1HighModified
AliasesMGASA-2020-0109UBUNTU-CVE-2020-7105DEBIAN-CVE-2020-7105DLA-2083-1openSUSE-SU-2024:10844-1
Published 16-01-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-7105 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 2.73% chance of exploitation in the next 30 days, higher than 85.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.73%
0%100%
Low · -0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 16-01-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.73%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
-0.03 pp
From 2.77% on 19-09-2026
19-09-202619-10-2026
EPSS score2.73%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundHiredis
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- hiredis< 0.14.0-5 | < 0.11.0-4+deb8u1
- debian_linuxEOL8.0
Fedoraproject1 product
- fedoraEOL30 | 31
Mageia1 product
- hiredis< 0.13.3-4.1.mga7
Opensuse1 product
- hiredis&distro=openSUSE Tumbleweed< 1.0.0-2.6
Redislabs1 product
- hiredis≤ 0.14.0
Ubuntu1 product
- hiredisAll versions (No fix recorded)
6 vendors · 7 products
References
11 links- github.com/redis/hiredis/issues/747X Refsource MISCREPORTExploitIssue TrackingPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/01/msg00028.htmlMailing ListX Refsource MLISTThird Party Advisory