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    8 vulnerabilities by HappySeaFox

    CVE-2026-40494 (GCVE-0-2026-40494)

    Vulnerability from nvd – Published: 2026-04-18 01:42 – Updated: 2026-04-20 14:55
    VLAI
    Title
    SAIL has heap buffer overflow in TGA RLE decoder — raw packet path missing bounds check
    Summary
    SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. Prior to commit 45d48d1f2e8e0d73e80bc1fd5310cb57f4547302, the TGA codec's RLE decoder in `tga.c` has an asymmetric bounds check vulnerability. The run-packet path (line 297) correctly clamps the repeat count to the remaining buffer space, but the raw-packet path (line 305-311) has no equivalent bounds check. This allows writing up to 496 bytes of attacker-controlled data past the end of a heap buffer. Commit 45d48d1f2e8e0d73e80bc1fd5310cb57f4547302 patches the issue.
    Severity
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    HappySeaFox sail Affected: < 45d48d1f2e8e0d73e80bc1fd5310cb57f4547302
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-40493 (GCVE-0-2026-40493)

    Vulnerability from nvd – Published: 2026-04-18 01:41 – Updated: 2026-04-20 16:15
    VLAI
    Title
    SAIL has heap buffer overflow in PSD decoder — bpp mismatch in LAB 16-bit mode
    Summary
    SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. Prior to commit c930284445ea3ff94451ccd7a57c999eca3bc979, the PSD codec computes bytes-per-pixel (`bpp`) from raw header fields `channels * depth`, but the pixel buffer is allocated based on the resolved pixel format. For LAB mode with `channels=3, depth=16`, `bpp = (3*16+7)/8 = 6`, but the format `BPP40_CIE_LAB` allocates only 5 bytes per pixel. Every pixel write overshoots, causing a deterministic heap buffer overflow on every row. Commit c930284445ea3ff94451ccd7a57c999eca3bc979 contains a patch.
    Severity
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    HappySeaFox sail Affected: < c930284445ea3ff94451ccd7a57c999eca3bc979
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-40492 (GCVE-0-2026-40492)

    Vulnerability from nvd – Published: 2026-04-18 01:39 – Updated: 2026-04-20 15:24
    VLAI
    Title
    SAIL has heap buffer overflow in XWD decoder — bits_per_pixel vs pixmap_depth type confusion in byte-swap
    Summary
    SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. Prior to commit 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02, the XWD codec resolves pixel format based on `pixmap_depth` but the byte-swap code uses `bits_per_pixel` independently. When `pixmap_depth=8` (BPP8_INDEXED, 1 byte/pixel buffer) but `bits_per_pixel=32`, the byte-swap loop accesses memory as `uint32_t*`, reading/writing 4x the allocated buffer size. This is a different vulnerability from the previously reported GHSA-3g38-x2pj-mv55 (CVE-2026-27168), which addressed `bytes_per_line` validation. Commit 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02 contains a patch.
    Severity
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    HappySeaFox sail Affected: < 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-27168 (GCVE-0-2026-27168)

    Vulnerability from nvd – Published: 2026-02-20 23:34 – Updated: 2026-02-25 21:27
    VLAI
    Title
    SAIL: Heap-based Buffer Overflow in Sail-codecs-xwd
    Summary
    SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. All versions are vulnerable to Heap-based Buffer Overflow through the XWD parser's use of the bytes_per_line value. The value os read directly from the file as the read size in io->strict_read(), and is never compared to the actual size of the destination buffer. An attacker can provide an XWD file with an arbitrarily large bytes_per_line, causing a massive write operation beyond the buffer heap allocated for the image pixels. The issue did not have a fix at the time of publication.
    Severity
    8.8 (High)
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-122 - Heap-based Buffer Overflow
    Assigner
    References
    Impacted products
    Vendor Product Version
    HappySeaFox sail Affected: <= 0.9.10
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-40494 (GCVE-0-2026-40494)

    Vulnerability from cvelistv5 – Published: 2026-04-18 01:42 – Updated: 2026-04-20 14:55
    VLAI
    Title
    SAIL has heap buffer overflow in TGA RLE decoder — raw packet path missing bounds check
    Summary
    SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. Prior to commit 45d48d1f2e8e0d73e80bc1fd5310cb57f4547302, the TGA codec's RLE decoder in `tga.c` has an asymmetric bounds check vulnerability. The run-packet path (line 297) correctly clamps the repeat count to the remaining buffer space, but the raw-packet path (line 305-311) has no equivalent bounds check. This allows writing up to 496 bytes of attacker-controlled data past the end of a heap buffer. Commit 45d48d1f2e8e0d73e80bc1fd5310cb57f4547302 patches the issue.
    Severity
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    HappySeaFox sail Affected: < 45d48d1f2e8e0d73e80bc1fd5310cb57f4547302
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-40493 (GCVE-0-2026-40493)

    Vulnerability from cvelistv5 – Published: 2026-04-18 01:41 – Updated: 2026-04-20 16:15
    VLAI
    Title
    SAIL has heap buffer overflow in PSD decoder — bpp mismatch in LAB 16-bit mode
    Summary
    SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. Prior to commit c930284445ea3ff94451ccd7a57c999eca3bc979, the PSD codec computes bytes-per-pixel (`bpp`) from raw header fields `channels * depth`, but the pixel buffer is allocated based on the resolved pixel format. For LAB mode with `channels=3, depth=16`, `bpp = (3*16+7)/8 = 6`, but the format `BPP40_CIE_LAB` allocates only 5 bytes per pixel. Every pixel write overshoots, causing a deterministic heap buffer overflow on every row. Commit c930284445ea3ff94451ccd7a57c999eca3bc979 contains a patch.
    Severity
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    HappySeaFox sail Affected: < c930284445ea3ff94451ccd7a57c999eca3bc979
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-40492 (GCVE-0-2026-40492)

    Vulnerability from cvelistv5 – Published: 2026-04-18 01:39 – Updated: 2026-04-20 15:24
    VLAI
    Title
    SAIL has heap buffer overflow in XWD decoder — bits_per_pixel vs pixmap_depth type confusion in byte-swap
    Summary
    SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. Prior to commit 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02, the XWD codec resolves pixel format based on `pixmap_depth` but the byte-swap code uses `bits_per_pixel` independently. When `pixmap_depth=8` (BPP8_INDEXED, 1 byte/pixel buffer) but `bits_per_pixel=32`, the byte-swap loop accesses memory as `uint32_t*`, reading/writing 4x the allocated buffer size. This is a different vulnerability from the previously reported GHSA-3g38-x2pj-mv55 (CVE-2026-27168), which addressed `bytes_per_line` validation. Commit 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02 contains a patch.
    Severity
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    HappySeaFox sail Affected: < 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-27168 (GCVE-0-2026-27168)

    Vulnerability from cvelistv5 – Published: 2026-02-20 23:34 – Updated: 2026-02-25 21:27
    VLAI
    Title
    SAIL: Heap-based Buffer Overflow in Sail-codecs-xwd
    Summary
    SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. All versions are vulnerable to Heap-based Buffer Overflow through the XWD parser's use of the bytes_per_line value. The value os read directly from the file as the read size in io->strict_read(), and is never compared to the actual size of the destination buffer. An attacker can provide an XWD file with an arbitrarily large bytes_per_line, causing a massive write operation beyond the buffer heap allocated for the image pixels. The issue did not have a fix at the time of publication.
    Severity
    8.8 (High)
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-122 - Heap-based Buffer Overflow
    Assigner
    References
    Impacted products
    Vendor Product Version
    HappySeaFox sail Affected: <= 0.9.10
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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