Description
A vulnerability, which was classified as problematic, has been found in Khronos Group glslang 15.1.0. Affected by this issue is the function glslang::TIntermediate::isConversionAllowed of the file glslang/MachineIndependent/Intermediate.cpp. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Khronos Group | glslang | 15.1.0 | — |
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 | glslang | No fix yet | — |
| Debian 13 | glslang | No fix yet | — |
| Debian 12 | glslang | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | glslang | No fix yet | — |
| Ubuntu 26.04 LTS | glslang | No fix yet | — |
| Ubuntu 25.10 | glslang | No fix yet | — |
| Ubuntu 24.04 LTS | glslang | No fix yet | — |
| Ubuntu 22.04 LTS | glslang | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | glslang | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | glslang +1 | 15.0.0-88.amzn2023 | ALAS2023-2026-1707 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | glslang | No fix yet | — |
Advisories 1
- ALAS2023-2026-1707 Low: glslang security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 25, 2026
References
- VDB-302060 | Khronos Group glslang Intermediate.cpp isConversionAllowed null pointer dereference vdb-entry technical-description
- VDB-302060 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #524561 | https://github.com/KhronosGroup/glslang glslang 15.1.0 NULL Pointer Dereference third-party-advisory
- https://github.com/KhronosGroup/glslang/issues/3903 issue-tracking
- https://github.com/KhronosGroup/glslang/issues/3903#issue-2927492534 exploit issue-tracking