CVE-2020-11044: canonical ubuntu_linux Double Free
CVSS: 3.5v2.0LowModified
AliasesUBUNTU-CVE-2020-11044DEBIAN-CVE-2020-11044
Published 07-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-11044 is a low (CVSS 3.5) Double Free vulnerability in canonical ubuntu_linux. EPSS estimates a 1.69% chance of exploitation in the next 30 days, higher than 76.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
3.5/10
010
Low · v2.0 (NVD)EPSS score
1.69%
0%100%
Low · -0.21 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 5 · Related 1Timeline
- 07-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In FreeRDP greater than 1.2 and before 2.0.0, a double free in update_read_cache_bitmap_v3_order crashes the client application if corrupted data from a manipulated server is parsed. This has been patched in 2.0.0.
CVSS metrics
5 scores · 4 sources · 2 versionsLow 2.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:LSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated2.2LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated2.2LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
- NVDNIST2.2LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.69%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
-0.21 pp
From 1.90% on 18-09-2026
18-09-202618-10-2026
EPSS score1.69%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundFreerdp
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- freerdp2< 2.1.1+dfsg1-1
- debian_linuxEOL10.0
Canonical1 product
- ubuntu_linuxEOL18.04 | 19.10 | 20.04
Freerdp1 product
- freerdp> 1.2, < 2.0.0 | > 1.2.0, < 2.0.0
Ubuntu1 product
- freerdp2< 2.1.1+dfsg1-0ubuntu0.18.04.1 | < 2.1.1+dfsg1-0ubuntu0.20.04.1
4 vendors · 5 products