CVE-2020-11523: canonical ubuntu_linux Integer Overflow or Wraparound
CVSS: 6.6v3.1MediumModified
AliasesUBUNTU-CVE-2020-11523DEBIAN-CVE-2020-11523
Published 15-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-11523 is a medium (CVSS 6.6) Integer Overflow or Wraparound vulnerability in canonical ubuntu_linux. EPSS estimates a 2.01% chance of exploitation in the next 30 days, higher than 80.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.6/10
010
Medium · v3.1 (NVD)EPSS score
2.01%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 14 · Related 8Timeline
- 15-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
libfreerdp/gdi/region.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Integer Overflow.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.6Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Medium 6.0Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.01%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.01% on 18-09-2026
18-09-202618-10-2026
EPSS score2.01%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (pub.freerdp.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- freerdp2< 2.1.1+dfsg1-1
- debian_linuxEOL9.0
Ubuntu2 products
- freerdp< 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4 | < 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.2
- freerdp2< 2.1.1+dfsg1-0ubuntu0.18.04.1 | < 2.1.1+dfsg1-0ubuntu0.20.04.1
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 19.10 | 20.04
Freerdp1 product
- freerdp> 1.0.0, < 2.0.0 | 2.0.0 | 2.0.0:rc0 | 2.0.0:rc1 | 2.0.0:rc2 | 2.0.0:rc3 | 2.0.0:rc4
Opensuse1 product
- leapEOL15.1
5 vendors · 7 products
References
13 links- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4qrh-8cp8-4x42X Refsource CONFIRMREPORTPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
lists.debian.org/debian-lts-announce/2020/08/msg00054.htmlMailing ListX Refsource MLISTThird Party Advisory