Description
A flaw was found in GIMP’s X cursor (XMC) thumbnail loader. When GIMP generates a thumbnail for a crafted XMC file, it allocates a pixel buffer using a width * height size computed in 32-bit signed arithmetic. If that product overflows, the allocation is smaller than the true image extent. A subsequent GEGL buffer read uses the unwrapped dimensions and performs an out-of-bounds read on the heap (CWE-125), after integer overflow in the size calculation (CWE-190). This can crash GIMP or corrupt process memory.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 12 | | =2.10.34-1 || =2.10.34-1+deb12u1 || =2.10.34-1+deb12u10 || =2.10.34-1+deb12u2 || =2.10.34-1+deb12u3 || =2.10.34-1+deb12u4 || =2.10.34-1+deb12u5 || =2.10.34-1+deb12u6 || =2.10.34-1+deb12u7 || =2.10.34-1+deb12u8 || =2.10.34-1+deb12u9 || =2.10.36-1 || =2.10.36-2 || =2.10.36-3 || =2.10.38-1 || =2.10.38-2 || =2.99.10-1 || =2.99.12-1 || =2.99.12-2 || =2.99.14-1 || =2.99.14-2 || =2.99.16-1 || =2.99.16-2 || =2.99.18-1 || =3.0.0-1 || =3.0.0-2 || =3.0.0~rc1-1 || =3.0.0~rc1-3 || =3.0.0~rc1-4 || =3.0.0~rc2-1 || =3.0.0~rc3-1 || =3.0.2-1 || =3.0.2-2 || =3.0.2-3 || =3.0.2-3.1 || =3.0.4-1 || =3.0.4-2 || =3.0.4-3 || =3.0.4-4 || =3.0.4-5 || =3.0.4-6 || =3.0.4-6.1 || =3.0.4-6.2 || =3.0.6-1 || =3.2.0-1 || =3.2.0~rc2-1 || =3.2.0~rc2-2 || =3.2.0~rc2-3 || =3.2.0~rc2-3.1 || =3.2.0~rc2-3.2 || =3.2.0~rc2-3.3 || =3.2.0~rc3-1 || =3.2.2-1 || =3.2.4-1 || =3.2.4-2 || =3.2.4-3 || =3.2.6-1 |
debian 13 | | =3.0.4-3 || =3.0.4-3+deb13u1 || =3.0.4-3+deb13u10 || =3.0.4-3+deb13u11 || =3.0.4-3+deb13u2 || =3.0.4-3+deb13u3 || =3.0.4-3+deb13u4 || =3.0.4-3+deb13u5 || =3.0.4-3+deb13u6 || =3.0.4-3+deb13u7 || =3.0.4-3+deb13u8 || =3.0.4-3+deb13u9 || =3.0.4-4 || =3.0.4-5 || =3.0.4-6 || =3.0.4-6.1 || =3.0.4-6.2 || =3.0.6-1 || =3.2.0-1 || =3.2.0~rc2-1 || =3.2.0~rc2-2 || =3.2.0~rc2-3 || =3.2.0~rc2-3.1 || =3.2.0~rc2-3.2 || =3.2.0~rc2-3.3 || =3.2.0~rc3-1 || =3.2.2-1 || =3.2.4-1 || =3.2.4-2 || =3.2.4-3 || =3.2.6-1 |
debian 14 | | =3.0.4-3 || =3.0.4-4 || =3.0.4-5 || =3.0.4-6 || =3.0.4-6.1 || =3.0.4-6.2 || =3.0.6-1 || =3.2.0-1 || =3.2.0~rc2-1 || =3.2.0~rc2-2 || =3.2.0~rc2-3 || =3.2.0~rc2-3.1 || =3.2.0~rc2-3.2 || =3.2.0~rc2-3.3 || =3.2.0~rc3-1 || =3.2.2-1 || =3.2.4-1 || =3.2.4-2 || =3.2.4-3 || =3.2.6-1 |
