CVE-2026-33328— Possible integer overflow on 32-bit systems when reading GIF images
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-33328
Vulnerability Information
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Vulnerability Title
Possible integer overflow on 32-bit systems when reading GIF images
Source: CVE Program / CVE List V5
Vulnerability Description
libvips is a fast image processing library with low memory needs. On 32-bit systems in versions before and including 8.18.0, the `gifload` operation could incorrectly determine dimensions leading to an integer overflow. This has been patched in version 8.18.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
libvips 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libvips是libvips团队开源的一个具有低内存需求的快速图像处理库。 libvips 8.18.0及之前版本存在数字错误漏洞，该漏洞源于gifload操作在32位系统上尺寸判断错误导致整数溢出，可能造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-33328
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Patches & Fixes for CVE-2026-33328 (2)
Vendor Advisories for CVE-2026-33328 (1)
Same Patch Batch · libvips · 2026-07-20 · 4 CVEs total
| CVE-2026-35591 | Possible heap-based buffer overflow when decoding TIFF image containing well-crafted tile | |
| CVE-2026-35590 | Possible out-of-bounds read leading to crash when decoding well-crafted EXIF metadata | |
| CVE-2026-33327 | Possible integer overflow leading to potential heap-based buffer overflow |
IV. Related Vulnerabilities
Same product: libvips
- CVE-2026-35591
Possible heap-based buffer overflow when decoding TIFF image - CVE-2026-35590
Possible out-of-bounds read leading to crash when decoding w - CVE-2026-33327
Possible integer overflow leading to potential heap-based bu - CVE-2026-6491
libvips nip2 vips7compat.c im_minpos_vec heap-based overflow - CVE-2026-3284
libvips extract.c vips_extract_area_build integer overflow
Same vendor: libvips
- CVE-2026-35591
Possible heap-based buffer overflow when decoding TIFF image - CVE-2026-35590
Possible out-of-bounds read leading to crash when decoding w - CVE-2026-33327
Possible integer overflow leading to potential heap-based bu - CVE-2025-59933
libvips is vulnerable to Buffer Over-Read in poppler-based p - CVE-2025-29769
libvips has a potential heap-based buffer overflow when atte
Same weakness: CWE-190
- CVE-2026-55969
Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, - CVE-2026-16554
Integer Overflow Leading to Heap Buffer Overflow in cJSON - CVE-2026-16280
GPU DDK - Integer overflow in _PMRLogicalOffsetToPhysicalOff - CVE-2026-66039
FFmpeg MACE6 Audio Decoder Heap Out-of-Bounds Write via CAF - CVE-2026-13063
libmongocrypt Improper Input Validation Leading to Process T
V. Comments for CVE-2026-33328
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