SDL (Simple DirectMedia Layer) through 2.0.12 has an Integer Overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in video/SD
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.
- Published
- Jan 19, 2021
- Updated
- Jun 16, 2026
- EPSS
- 1.3% · 69th percentile
- CWE
- CWE-190
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.3%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| libsdl | simple directmedia layer | cpe:2.3:a:libsdl:simple_directmedia_layer |
| fedoraproject | fedora | cpe:2.3:o:fedoraproject:fedora |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| starwindsoftware | starwind virtual san | cpe:2.3:a:starwindsoftware:starwind_virtual_san |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- debian debian linux9.0
- fedoraproject fedora33
- libsdl simple directmedia layer2.0.12 and later · up to 2.0.20 inclusive
- starwindsoftware starwind virtual sanv8
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:10 | libsdl2 | before 2.0.9+dfsg1-1+deb10u1 | 2.0.9+dfsg1-1+deb10u1 |
| Debian:12 | libsdl2 | before 2.0.14+dfsg2-2 | 2.0.14+dfsg2-2 |
| Debian:9 | libsdl2 | before 2.0.5+dfsg1-2+deb9u1 | 2.0.5+dfsg1-2+deb9u1 |
| openSUSE:Leap 15.3 | SDL2 | before 2.0.8-11.3.1 | 2.0.8-11.3.1 |
| openSUSE:Tumbleweed | SDL2 | before 2.32.8-1.1 | 2.32.8-1.1 |
| openSUSE:Tumbleweed | SDL2 | before 2.28.5-2.1 | 2.28.5-2.1 |
| SUSE:HPE Helion OpenStack 8 | SDL | before 1.2.15-15.17.1 | 1.2.15-15.17.1 |
| SUSE:Linux Enterprise High Performance Computing 15-ESPOS | SDL2 | before 2.0.8-3.18.1 | 2.0.8-3.18.1 |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP3 | SDL | before 1.2.15-150000.3.19.1 | 1.2.15-150000.3.19.1 |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP3 | SDL | before 1.2.15-150000.3.19.1 | 1.2.15-150000.3.19.1 |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP3 | SDL2 | before 2.0.8-11.3.1 | 2.0.8-11.3.1 |
| SUSE:Linux Enterprise Point of Sale 11 SP3 | SDL | before 1.2.13-106.21.1 | 1.2.13-106.21.1 |
| SUSE:Package Hub 15 SP3 | pdns | before 4.3.1-bp153.2.3.1 | 4.3.1-bp153.2.3.1 |
| SUSE:Package Hub 15 SP3 | pdns | before 4.3.1-bp153.2.3.1 | 4.3.1-bp153.2.3.1 |
Same product
libsdl: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-14906A flaw was found with the RHSA-2019:3950 erratum, where it did not fix the CVE-2019-13616 SDL vulnerability.40Plan
- CVE-2021-33657There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions.36Monitor
- CVE-2019-7638SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer over-read in Map1toN in video/SDL_pixels.c.36Monitor
- CVE-2019-7637SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer overflow in SDL_FillRect in video/SDL_surface.c.36Monitor
- CVE-2019-7577SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a buffer over-read in SDL_LoadWAV_RW in audio/SDL_wave.c.36Monitor
- CVE-2019-7576SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer over-read in InitMS_ADPCM in audio/SDL_wave.c (o36Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:libsdl2 | 2.0.14+dfsg2-2 · Debian:12 | Package registry (OSV) |
| opensuse:pdns | 4.3.1-bp153.2.3.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:SDL | 1.2.15-150000.3.19.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:SDL2 | 2.0.8-11.3.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| suse:pdns | 4.3.1-bp153.2.3.1 · SUSE:Package Hub 15 SP3 | Package registry (OSV) |
| suse:SDL | 1.2.15-150000.3.19.1 · SUSE:Linux Enterprise Module for Desktop Applications 15 SP3 | Package registry (OSV) |
| suse:SDL2 | 2.0.8-11.3.1 · SUSE:Linux Enterprise Module for Desktop Applications 15 SP3 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-190 · Integer Overflow or WraparoundCVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
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References
- bugzilla.libsdl.org/show_bug.cgi?id=5200
- hg.libsdl.org/SDL/rev/3f9b4e92c1d9
- lists.debian.org/debian-lts-announce/2021/01/msg00024.html
- lists.debian.org/debian-lts-announce/2023/02/msg00008.html
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FS32YCEJLQ2FYUWSWYI2ZMQWQEAWJNR/
- security.gentoo.org/glsa/202107-55
- www.starwindsoftware.com/security/sw-20210325-0001/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.