Vulnerability · Published Oct 19, 2026 · Assigned by redhat
CVE-2026-112257Gimp: gimp: heap out-of-bounds read/write in psd thumbnail loader (load_resource_1033)
High 7.8
In plain English
A high-severity stack buffer overflow in Red Hat Enterprise Linux 10 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
A flaw was found in GIMP. The PSD thumbnail resource loader performs a BGR-to-RGB channel swap with a fixed 3-byte stride and does not verify that the JPEG thumbnail is RGB. A crafted grayscale PSD thumbnail can cause a heap out-of-bounds read and write in the plug-in process, leading to a crash and potentially arbitrary code execution when the victim browses or opens the file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | gimp | 2:2.8.22-26.module_el8.10.0+4352+8516153e.10 | ALSA-2026:95482 |
| AlmaLinux:9 | gimp | 2:3.0.4-4.el9_8.15 | ALSA-2026:93975 |
| AlmaLinux:8 | gimp-devel | 2:2.8.22-26.module_el8.10.0+4352+8516153e.10 | ALSA-2026:95482 |
| AlmaLinux:8 | gimp-devel-tools | 2:2.8.22-26.module_el8.10.0+4352+8516153e.10 | ALSA-2026:95482 |
| AlmaLinux:8 | gimp-libs | 2:2.8.22-26.module_el8.10.0+4352+8516153e.10 | ALSA-2026:95482 |
| AlmaLinux:9 | gimp-libs | 2:3.0.4-4.el9_8.15 | ALSA-2026:93975 |
| AlmaLinux:8 | pygobject2 | 2.28.7-5.module_el8.10.0+4267+35168c80 | ALSA-2026:95482 |
| AlmaLinux:8 | pygobject2 | 2.28.7-5.module_el8.10.0+4175+c208a0bf | ALSA-2026:95482 |
| AlmaLinux:8 | pygobject2 | 2.28.7-5.module_el8.10.0+4137+2d0d25cf | ALSA-2026:95482 |
| AlmaLinux:8 | pygobject2-codegen | 2.28.7-5.module_el8.10.0+4175+c208a0bf | ALSA-2026:95482 |
| AlmaLinux:8 | pygobject2-codegen | 2.28.7-5.module_el8.10.0+4267+35168c80 | ALSA-2026:95482 |
| AlmaLinux:8 | pygobject2-devel | 2.28.7-5.module_el8.10.0+4267+35168c80 | ALSA-2026:95482 |
| AlmaLinux:8 | pygobject2-devel | 2.28.7-5.module_el8.10.0+4137+2d0d25cf | ALSA-2026:95482 |
| AlmaLinux:8 | pygobject2-devel | 2.28.7-5.module_el8.10.0+3952+571e801c | ALSA-2026:95482 |
| AlmaLinux:8 | pygobject2-doc | 2.28.7-5.module_el8.10.0+4267+35168c80 | ALSA-2026:95482 |
| AlmaLinux:8 | pygobject2-doc | 2.28.7-5.module_el8.10.0+4137+2d0d25cf | ALSA-2026:95482 |
| AlmaLinux:8 | pygtk2 | 2.24.0-25.module_el8.9.0+3725+d1441900 | ALSA-2026:95482 |
| AlmaLinux:8 | pygtk2-codegen | 2.24.0-25.module_el8.9.0+3725+d1441900 | ALSA-2026:95482 |
| AlmaLinux:8 | pygtk2-devel | 2.24.0-25.module_el8.9.0+3725+d1441900 | ALSA-2026:95482 |
| AlmaLinux:8 | pygtk2-doc | 2.24.0-25.module_el8.9.0+3725+d1441900 | ALSA-2026:95482 |
| AlmaLinux:8 | python2-cairo | 1.16.3-7.module_el8.10.0+4175+c208a0bf | ALSA-2026:95482 |
| AlmaLinux:8 | python2-cairo | 1.16.3-7.module_el8.10.0+4267+35168c80 | ALSA-2026:95482 |
| AlmaLinux:8 | python2-cairo | 1.16.3-7.module_el8.10.0+3952+571e801c | ALSA-2026:95482 |
| AlmaLinux:8 | python2-cairo-devel | 1.16.3-7.module_el8.10.0+4267+35168c80 | ALSA-2026:95482 |
| AlmaLinux:8 | python2-cairo-devel | 1.16.3-7.module_el8.10.0+4175+c208a0bf | ALSA-2026:95482 |
| Debian:12 | gimp | no fix listed | DEBIAN-CVE-2026-112257 |
| Debian:13 | gimp | no fix listed | DEBIAN-CVE-2026-112257 |
| Debian:14 | gimp | no fix listed | DEBIAN-CVE-2026-112257 |
| Rocky Linux:8 | gimp | 2:2.8.22-26.module+el8.10.0+40308+ebf9d253.8 | RLSA-2026:95482 |
| Rocky Linux:8 | gimp | 2:2.8.22-26.module+el8.10.0+40033+6fd27379.3 | RLSA-2026:95482 |
| Rocky Linux:8 | gimp | 2:2.8.22-26.module+el8.10.0+40181+ad0e3a65.6 | RLSA-2026:95482 |
| Rocky Linux:8 | gimp | 2:2.8.22-26.module+el8.10.0+40380+6ffe857b.9 | RLSA-2026:95482 |
| Rocky Linux:8 | gimp | 2:2.8.22-26.module+el8.10.0+40075+a21479b4.4 | RLSA-2026:95482 |
| Rocky Linux:8 | gimp | 2:2.8.22-26.module+el8.10.0+1927+52edb5a0 | RLSA-2026:95482 |
| Rocky Linux:8 | gimp | 2:2.8.22-26.module+el8.10.0+1998+a08ccc48.2 | RLSA-2026:95482 |
| Rocky Linux:8 | gimp | 2:2.8.22-26.module+el8.10.0+40134+eab491b1.5 | RLSA-2026:95482 |
| Rocky Linux:8 | gimp | 2:2.8.22-26.module+el8.10.0+40407+12f45184.10 | RLSA-2026:95482 |
| Rocky Linux:8 | pygobject2 | 0:2.28.7-5.module+el8.10.0+1927+52edb5a0 | RLSA-2026:95482 |
| Rocky Linux:8 | pygtk2 | 0:2.24.0-25.module+el8.9.0+1723+9bc93544 | RLSA-2026:95482 |
| Rocky Linux:8 | python2-pycairo | 0:1.16.3-7.module+el8.10.0+1927+52edb5a0 | RLSA-2026:95482 |
| Ubuntu:26.04:LTS | gimp | no fix listed | UBUNTU-CVE-2026-112257 |
| Ubuntu:26.10 | gimp | no fix listed | UBUNTU-CVE-2026-112257 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
| Red Hat | Red Hat Enterprise Linux 10 | see references |
| Red Hat | Red Hat Enterprise Linux 6 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- RHSA-2026:93975 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:95482 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2026-112257 vdb-entry, x_refsource_REDHAT
- RHBZ#2555574 issue-tracking, x_refsource_REDHAT