HIGH
CVE-2020-14409
CWE-190Published: January 19, 2021· Updated: Jun 17, 2026
7.8
CVSS v3.1
Official Description
SDL (Simple DirectMedia Layer) through 2.0.12 has an Integer Overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in video/SDL_blit_copy.c via a crafted .BMP file.
Technical Analysis
CVE-2020-14409 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Vendors & Products
Debian1 product(s)
debian linux
Fedora1 product(s)
fedora
libsdl1 product(s)
simple directmedia layer
starwindsoftware1 product(s)
starwind virtual san
Source: NVD CPE · 4 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (14)
→
https://bugzilla.libsdl.org/show_bug.cgi?id=5200Issue Tracking · Vendor Advisory
→
https://hg.libsdl.org/SDL/rev/3f9b4e92c1d9Patch · Vendor Advisory
→
https://lists.debian.org/debian-lts-announce/2021/01/msg00024.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2023/02/msg00008.htmlMailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FS32YCEJLQ2FYUWSWYI2ZMQWQEAWJNR/Mailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/202107-55Third Party Advisory
→
https://www.starwindsoftware.com/security/sw-20210325-0001/Third Party Advisory
→
https://bugzilla.libsdl.org/show_bug.cgi?id=5200Issue Tracking · Vendor Advisory
→
https://hg.libsdl.org/SDL/rev/3f9b4e92c1d9Patch · Vendor Advisory
→
https://lists.debian.org/debian-lts-announce/2021/01/msg00024.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2023/02/msg00008.htmlMailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FS32YCEJLQ2FYUWSWYI2ZMQWQEAWJNR/Mailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/202107-55Third Party Advisory
→
https://www.starwindsoftware.com/security/sw-20210325-0001/Third Party Advisory
Quick Facts
CVE IDCVE-2020-14409
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-190
CISA KEVNo
Affected4 vendor(s)
PublishedJan 19, 2021
Related CVEs (CWE-190)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-14409 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.