彙總 libgd 相關全部產品的 CVE 與安全漏洞情報，包括 CVSS、EPSS、公開時間與漏洞情報資料。
已披露問題常與 緩衝區溢位、記憶體損壞與輸入驗證問題 相關，可能在 生產負載與軟體部署 場景中帶來 記憶體損壞與異常行為 等暴露風險。
相關漏洞資料主要來源於公開漏洞披露與安全公告，可用於評估歷史漏洞暴露面與修補優先順序。
| CVE | 摘要 | 來源 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|---|
| CVE-2021-40812 | The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and gdPutBuf return value checks. | [email protected] | 6.5 | 1.66% | 2021-09-08 | 2026-06-17 |
| CVE-2021-40145 | gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes. | [email protected] | 7.5 | 2.05% | 2021-08-25 | 2026-06-17 |
| CVE-2021-38115 | read_header_tga in gd_tga.c in the GD Graphics Library (aka LibGD) through 2.3.2 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TGA file. | [email protected] | 6.5 | 1.87% | 2021-08-04 | 2026-06-17 |
| CVE-2017-6363 | In the GD Graphics Library (aka LibGD) through 2.2.5, there is a heap-based buffer over-read in tiffWriter in gd_tiff.c. NOTE: the vendor says "In my opinion this issue should not have a CVE, since the GD and GD2 formats are documented to be 'obsolete, and should only be used for development and testing purposes.' | [email protected] | 8.1 | 1.27% | 2020-02-27 | 2026-06-16 |
| CVE-2018-14553 | gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence. Only affects PHP when linked with an external libgd (not bundled). | [email protected] | 7.5 | 3.41% | 2020-02-11 | 2026-06-16 |
| CVE-2019-11038 | When using the gdImageCreateFromXbm() function in the GD Graphics Library (aka LibGD) 2.2.5, as used in the PHP GD extension in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6, it is possible to supply data that will cause the function to use the value of uninitialized variable. This may lead to disclosing contents of the stack that has been left there by previous code. | [email protected] | 5.3 | 4.33% | 2019-06-18 | 2026-06-16 |
| CVE-2019-6978 | The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr() functions in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c. NOTE: PHP is unaffected. | [email protected] | 9.8 | 4.42% | 2019-01-28 | 2026-06-16 |
| CVE-2019-6977 | gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data. | [email protected] | 8.8 | 65.12% | 2019-01-26 | 2026-06-16 |
| CVE-2018-1000222 | Libgd version 2.2.5 contains a Double Free Vulnerability vulnerability in gdImageBmpPtr Function that can result in Remote Code Execution . This attack appear to be exploitable via Specially Crafted Jpeg Image can trigger double free. This vulnerability appears to have been fixed in after commit ac16bdf2d41724b5a65255d4c28fb0ec46bc42f5. | [email protected] | 8.8 | 4.20% | 2018-08-20 | 2026-06-16 |
| CVE-2017-6362 | Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote attackers to cause a denial of service via vectors related to a palette with no colors. | [email protected] | 7.5 | 5.10% | 2017-09-07 | 2026-06-16 |
| CVE-2016-10168 | Integer overflow in gd_io.c in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via vectors involving the number of horizontal and vertical chunks in an image. | [email protected] | 7.8 | 3.72% | 2017-03-15 | 2026-06-16 |
| CVE-2016-10167 | The gdImageCreateFromGd2Ctx function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to cause a denial of service (application crash) via a crafted image file. | [email protected] | 5.5 | 3.74% | 2017-03-15 | 2026-06-16 |
| CVE-2016-10166 | Integer underflow in the _gdContributionsAlloc function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via vectors related to decrementing the u variable. | [email protected] | 9.8 | 10.69% | 2017-03-15 | 2026-06-16 |
| CVE-2016-6906 | The read_image_tga function in gd_tga.c in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TGA file, related to the decompression buffer. | [email protected] | 5.5 | 1.98% | 2017-03-15 | 2026-06-16 |
| CVE-2016-9317 | The gdImageCreate function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to cause a denial of service (system hang) via an oversized image. | [email protected] | 5.5 | 3.58% | 2017-01-26 | 2026-06-16 |
| CVE-2016-6912 | Double free vulnerability in the gdImageWebPtr function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via large width and height values. | [email protected] | 9.8 | 4.45% | 2017-01-26 | 2026-06-16 |
| CVE-2016-6911 | The dynamicGetbuf function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TIFF image. | [email protected] | 5.5 | 1.77% | 2017-01-26 | 2026-06-16 |
| CVE-2016-9933 | Stack consumption vulnerability in the gdImageFillToBorder function in gd.c in the GD Graphics Library (aka libgd) before 2.2.2, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (segmentation violation) via a crafted imagefilltoborder call that triggers use of a negative color value. | [email protected] | 7.5 | 6.87% | 2017-01-04 | 2026-06-16 |
| CVE-2016-8670 | Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call. | [email protected] | 9.8 | 4.79% | 2017-01-04 | 2026-06-16 |
| CVE-2016-6905 | The read_image_tga function in gd_tga.c in the GD Graphics Library (aka libgd) before 2.2.3 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TGA image. | [email protected] | 6.5 | 2.56% | 2016-10-03 | 2026-06-16 |