Description
SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer over-read in Blit1to4 in video/SDL_blit_1.c.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libsdl2 | 2.0.10+dfsg1-1 | — |
| Debian 14 | libsdl2-image | 2.0.5+dfsg1-1 | — |
| Debian 14 | sdl-image1.2 | 1.2.12-11 | — |
| Debian 13 | libsdl2 | 2.0.10+dfsg1-1 | — |
| Debian 13 | libsdl2-image | 2.0.5+dfsg1-1 | — |
| Debian 13 | sdl-image1.2 | 1.2.12-11 | — |
| Debian 12 | libsdl1.2 | 1.2.15+dfsg2-5 | — |
| Debian 12 | libsdl2 | 2.0.10+dfsg1-1 | — |
| Debian 12 | libsdl2-image | 2.0.5+dfsg1-1 | — |
| Debian 12 | sdl-image1.2 | 1.2.12-11 | — |
| Debian 10 | libsdl2 | 2.0.9+dfsg1-1+deb10u1 | DLA-3314-1 |
| Debian 9 | libsdl1.2 | 1.2.15+dfsg1-4+deb9u1 | DLA-2804-1 |
| Debian 9 | libsdl2 | 2.0.5+dfsg1-2+deb9u1 | DLA-2536-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | libsdl1.2 | 1.2.15-10+deb8u1 | DLA-1713-1 |
| Debian 8 | libsdl2 | 2.0.2+dfsg1-6+deb8u1 | DLA-1714-1 |
| Debian 8 | libsdl2-image | 2.0.0+dfsg-3+deb8u2 | DLA-1861-1 |
| Debian 8 | sdl-image1.2 | 1.2.12-5+deb8u2 | DLA-1865-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | libsdl1.2 | 1.2.15+dfsg2-0.1ubuntu0.1 | USN-4156-1 |
| Ubuntu 18.04 LTS | libsdl2 | 2.0.8+dfsg1-1ubuntu1.18.04.4 | USN-4143-1 |
| Ubuntu 18.04 LTS | libsdl2-image | No fix yet | — |
| Ubuntu 18.04 LTS | sdl-image1.2 | 1.2.12-8ubuntu0.1 | USN-4238-1 |
| Ubuntu 16.04 LTS | libsdl1.2 | 1.2.15+dfsg1-3ubuntu0.1 | USN-4156-1 |
| Ubuntu 16.04 LTS | libsdl2 | 2.0.4+dfsg1-2ubuntu2.16.04.2 | USN-4143-1 |
| Ubuntu 16.04 LTS | libsdl2-image | No fix yet | — |
| Ubuntu 16.04 LTS | sdl-image1.2 | 1.2.12-5+deb9u1ubuntu0.16.04.1 | USN-4238-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libsdl1.2 | 1.2.15-8ubuntu1.1+esm1 | USN-4156-2 |
| Ubuntu Pro 14.04 LTS | libsdl2-image | 2.0.0+dfsg-3+deb8u2build0.14.04.1~esm1 | — |
| Ubuntu Pro 14.04 LTS | sdl-image1.2 | 1.2.12-5+deb9u1ubuntu0.14.04.1~esm1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | SDL +1 | 1.2.15-38.el8 | RHSA-2020:4627 |
| RHEL 7 | SDL +2 | 1.2.15-17.el7 | RHSA-2020:3868 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | SDL | 1.2.15-3.9.1 | SUSE-SU-2019:0917-1 |
| SLES 15 | SDL2 | 2.0.8-3.9.1 | SUSE-SU-2019:0950-1 |
| SLES 12 SP4 | SDL | 1.2.15-15.11.1 | SUSE-SU-2019:0899-1 |
| SLES 12 SP3 | SDL | 1.2.15-15.11.1 | SUSE-SU-2019:0899-1 |
| SLES 11 SP4 | SDL | 1.2.13-106.11.1 | SUSE-SU-2019:13998-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | SDL | 1.2.15-15.11.1 | SUSE-SU-2019:0899-1 |
| SLES for SAP 12 SP3 | SDL | 1.2.15-15.11.1 | SUSE-SU-2019:0899-1 |
| SLES for SAP 11 SP4 | SDL | 1.2.13-106.11.1 | SUSE-SU-2019:13998-1 |
| SUSE Package Hub 15 SP1 | SDL_image | 1.2.12+hg695-bp151.4.3.1 | openSUSE-SU-2019:2109-1 |
| SUSE Package Hub 15 | SDL_image | 1.2.12+hg695-bp151.4.3.1 | openSUSE-SU-2019:2109-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | SDL | 1.2.13-106.11.1 | SUSE-SU-2019:13998-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | SDL | 1.2.15-1.1 | openSUSE-SU-2025:15205-1 |
| openSUSE Tumbleweed | SDL2 | 2.0.16-2.3 | openSUSE-SU-2025:15206-1, openSUSE-SU-2024:10607-1 |
| openSUSE Leap 15.1 | SDL_image | 1.2.12+hg695-lp151.3.3.1 | openSUSE-SU-2019:2071-1 |
| openSUSE Leap 15.0 | SDL | 1.2.15-lp150.2.3.1 | openSUSE-SU-2019:1223-1 |
| openSUSE Leap 15.0 | SDL2 | 2.0.8-lp150.2.3.1 | openSUSE-SU-2019:1261-1 |
| openSUSE Leap 15.0 | SDL_image | 1.2.12+hg695-lp151.3.3.1 | openSUSE-SU-2019:2071-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.23 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.22 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.21 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.20 | sdl2 | 2.0.10-r0 | — |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.18 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.17 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.16 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.15 | sdl | 1.2.15-r11 | — |
| Alpine v3.15 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.14 | sdl | 1.2.15-r11 | — |
| Alpine v3.14 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.13 | sdl | 1.2.15-r11 | — |
| Alpine v3.13 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.12 | sdl | 1.2.15-r11 | — |
| Alpine v3.12 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.11 | sdl | 1.2.15-r11 | — |
| Alpine v3.11 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.10 | sdl | 1.2.15-r11 | — |
| Alpine v3.10 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.9 | sdl | 1.2.15-r10 | — |
| Alpine v3.9 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.8 | sdl | 1.2.15-r9 | — |
| Alpine v3.8 | sdl2 | 2.0.10-r0 | — |
| Alpine v3.7 | sdl | 1.2.15-r8 | — |
| Alpine v3.7 | sdl2 | 2.0.10-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | SDL +2 | 1.2.15-17.amzn2 | ALAS2-2020-1500 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | SDL +1 | 1.2.15-38.el8 | ELSA-2020-4627 |
| Oracle Linux 7 | SDL +2 | 1.2.15-17.el7 | ELSA-2020-3868 |
Advisories 27
- RHSA-2020:3868 Red Hat Security Advisory: SDL security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-4238-1 sdl-image1.2 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-4156-1 libsdl1.2 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-4156-2 libsdl1.2 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-4143-1 SDL 2.0 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2025:15206-1 SDL2-2.32.8-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15205-1 SDL-1.2.15-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- DLA-2804-1 libsdl1.2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3314-1 libsdl2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1865-1 sdl-image1.2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1714-1 libsdl2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1713-1 libsdl1.2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2536-1 libsdl2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1861-1 libsdl2-image - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2019:0950-1 Security update for SDL2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0917-1 Security update for SDL SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0899-1 Security update for SDL SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2109-1 Security update for SDL_image SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:13998-1 Security update for SDL SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1261-1 Security update for SDL2 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10607-1 libSDL2-2_0-0-2.0.16-2.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2020:4627 Red Hat Security Advisory: SDL security update Red Hat Security Advisories (RHSA) · Jan 14, 2026
- openSUSE-SU-2019:2071-1 Security update for SDL_image SUSE / openSUSE Security Updates · May 7, 2025
- openSUSE-SU-2019:1223-1 Security update for SDL SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2020-4627 Moderate: SDL security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 10, 2020
- ALAS2-2020-1500 Moderate: SDL security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 22, 2020
- ELSA-2020-3868 Moderate: SDL security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020
References
- [debian-lts-announce] 20190313 [SECURITY] [DLA 1714-1] libsdl2 security update mailing-list
- https://bugzilla.libsdl.org/show_bug.cgi?id=4498
- [debian-lts-announce] 20190313 [SECURITY] [DLA 1713-1] libsdl1.2 security update mailing-list
- https://discourse.libsdl.org/t/vulnerabilities-found-in-libsdl-1-2-15/25720
- openSUSE-SU-2019:1213 vendor-advisory
- openSUSE-SU-2019:1223 vendor-advisory
- openSUSE-SU-2019:1261 vendor-advisory
- [debian-lts-announce] 20190722 [SECURITY] [DLA 1861-1] libsdl2-image security update mailing-list
- [debian-lts-announce] 20190727 [SECURITY] [DLA 1865-1] sdl-image1.2 security update mailing-list
- openSUSE-SU-2019:2071 vendor-advisory
- GLSA-201909-07 vendor-advisory
- openSUSE-SU-2019:2109 vendor-advisory
- USN-4143-1 vendor-advisory
- USN-4156-1 vendor-advisory
- USN-4156-2 vendor-advisory
- [debian-lts-announce] 20191017 [SECURITY] [DLA 1714-2] libsdl2 regression update mailing-list
- [debian-lts-announce] 20191017 [SECURITY] [DLA 1713-2] libsdl1.2 regression update mailing-list
- USN-4238-1 vendor-advisory
- FEDORA-2020-24652fe41c vendor-advisory
- [debian-lts-announce] 20210130 [SECURITY] [DLA 2536-1] libsdl2 security update mailing-list
- [debian-lts-announce] 20211031 [SECURITY] [DLA 2804-1] libsdl1.2 security update mailing-list
- [debian-lts-announce] 20230208 [SECURITY] [DLA 3314-1] libsdl2 security update mailing-list
- GLSA-202305-17 vendor-advisory