# LibTIFF vulnerabilities

Source: https://junglewise.ai/threats/technologies/libtiff  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/libtiff.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 20 vulnerabilities in LibTIFF: 0 in the last 7 days and 4 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-18495, was published on 11 September 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 4
- All time: 20 (2 critical, 0 exploited in the wild)

## About LibTIFF

C library for reading and writing Tagged Image File Format (TIFF) images.

## Latest LibTIFF vulnerabilities

- [CVE-2026-18495: libtiff heap buffer overflow in tiff2pdf](https://junglewise.ai/threats/cve-2026-18495-libtiff-heap-buffer-overflow-in-tiff2pdf) (medium, CVSS 6.1, published 11 Sep 2026)
- [CVE-2026-52491: libtiff integer overflow in thumbnail buffer allocation](https://junglewise.ai/threats/cve-2026-52491-libtiff-integer-overflow-in-thumbnail-buffer-allocation) (high, CVSS 8.4, published 25 Aug 2026)
- [CVE-2026-52492: libtiff integer overflow in rgb2ycbcr cvtRaster](https://junglewise.ai/threats/cve-2026-52492-libtiff-integer-overflow-in-rgb2ycbcr-cvtraster) (high, CVSS 7.8, published 24 Aug 2026)
- [CVE-2026-52490: libtiff integer overflow in tiffcrop -S option](https://junglewise.ai/threats/cve-2026-52490-libtiff-integer-overflow-in-tiffcrop-s-option) (critical, CVSS 9.8, published 24 Aug 2026)
- [CVE-2026-12912: libtiff heap overflow in PixarLogDecode with 8BITABGR format](https://junglewise.ai/threats/cve-2026-12912-libtiff-heap-overflow-in-pixarlogdecode-with-8bitabgr-format) (high, CVSS 7.3, published 29 Jun 2026)
- [CVE-2026-4775: libtiff signed integer overflow in putcontig8bitYCbCr44tile](https://junglewise.ai/threats/cve-2026-4775-libtiff-signed-integer-overflow-in-putcontig8bitycbcr44tile) (high, CVSS 7.8, published 24 Mar 2026)
- [CVE-2025-9900: Libtiff write-what-where condition in TIFF image processing](https://junglewise.ai/threats/cve-2025-9900-libtiff-write-what-where-condition-in-tiff-image-processing) (high, CVSS 8.8, published 23 Sep 2025)
- [CVE-2023-52356: libtiff heap buffer overflow in TIFFReadRGBATileExt](https://junglewise.ai/threats/cve-2023-52356-libtiff-heap-buffer-overflow-in-tiffreadrgbatileext) (high, CVSS 7.5, published 25 Jan 2024)
- [CVE-2016-9453: LibTIFF out-of-bounds write in tiff2pdf](https://junglewise.ai/threats/cve-2016-9453-libtiff-out-of-bounds-write-in-tiff2pdf) (high, CVSS 7.8, published 27 Jan 2017)
- [CVE-2016-9448: LibTiff NULL pointer dereference in TIFFFetchNormalTag](https://junglewise.ai/threats/cve-2016-9448-libtiff-null-pointer-dereference-in-tifffetchnormaltag) (high, CVSS 7.5, published 27 Jan 2017)
- [CVE-2016-6223: libtiff out-of-bounds read in tif_read.c](https://junglewise.ai/threats/cve-2016-6223-libtiff-out-of-bounds-read-in-tif-read-c) (critical, CVSS 9.1, published 23 Jan 2017)
- [CVE-2017-5563: LibTIFF heap buffer over-read in tif_lzw.c via bmp2tiff](https://junglewise.ai/threats/cve-2017-5563-libtiff-heap-buffer-over-read-in-tif-lzw-c-via-bmp2tiff) (high, CVSS 8.8, published 23 Jan 2017)
- [CVE-2016-5323: LibTIFF divide by zero in _TIFFFax3fillruns](https://junglewise.ai/threats/cve-2016-5323-libtiff-divide-by-zero-in-tifffax3fillruns) (high, CVSS 7.5, published 20 Jan 2017)
- [CVE-2016-5321: LibTIFF denial of service in DumpModeDecode](https://junglewise.ai/threats/cve-2016-5321-libtiff-denial-of-service-in-dumpmodedecode) (medium, CVSS 6.5, published 20 Jan 2017)
- [CVE-2016-5319: LibTIFF heap buffer overflow in tif_packbits.c](https://junglewise.ai/threats/cve-2016-5319-libtiff-heap-buffer-overflow-in-tif-packbits-c) (medium, CVSS 6.5, published 20 Jan 2017)
- [CVE-2016-5318: libtiff stack buffer overflow in _TIFFVGetField](https://junglewise.ai/threats/cve-2016-5318-libtiff-stack-buffer-overflow-in-tiffvgetfield) (medium, CVSS 6.5, published 20 Jan 2017)
- [CVE-2016-5317: libtiff PixarLogDecode buffer overflow in libtiff.so](https://junglewise.ai/threats/cve-2016-5317-libtiff-pixarlogdecode-buffer-overflow-in-libtiff-so) (medium, CVSS 6.5, published 20 Jan 2017)
- [CVE-2016-5316: Libtiff out-of-bounds read in PixarLogCleanup](https://junglewise.ai/threats/cve-2016-5316-libtiff-out-of-bounds-read-in-pixarlogcleanup) (medium, CVSS 6.5, published 20 Jan 2017)
- [CVE-2016-9297: LibTiff out-of-bounds read in TIFFFetchNormalTag](https://junglewise.ai/threats/cve-2016-9297-libtiff-out-of-bounds-read-in-tifffetchnormaltag) (high, CVSS 7.5, published 18 Jan 2017)
- [CVE-2016-9273: Libtiff libtiff out-of-bounds read in tiffsplit](https://junglewise.ai/threats/cve-2016-9273-libtiff-libtiff-out-of-bounds-read-in-tiffsplit) (medium, CVSS 5.5, published 18 Jan 2017)

## Most severe LibTIFF vulnerabilities

- [CVE-2026-52490: libtiff integer overflow in tiffcrop -S option](https://junglewise.ai/threats/cve-2026-52490-libtiff-integer-overflow-in-tiffcrop-s-option) (critical, CVSS 9.8, published 24 Aug 2026)
- [CVE-2016-6223: libtiff out-of-bounds read in tif_read.c](https://junglewise.ai/threats/cve-2016-6223-libtiff-out-of-bounds-read-in-tif-read-c) (critical, CVSS 9.1, published 23 Jan 2017)
- [CVE-2025-9900: Libtiff write-what-where condition in TIFF image processing](https://junglewise.ai/threats/cve-2025-9900-libtiff-write-what-where-condition-in-tiff-image-processing) (high, CVSS 8.8, published 23 Sep 2025)
- [CVE-2017-5563: LibTIFF heap buffer over-read in tif_lzw.c via bmp2tiff](https://junglewise.ai/threats/cve-2017-5563-libtiff-heap-buffer-over-read-in-tif-lzw-c-via-bmp2tiff) (high, CVSS 8.8, published 23 Jan 2017)
- [CVE-2026-52491: libtiff integer overflow in thumbnail buffer allocation](https://junglewise.ai/threats/cve-2026-52491-libtiff-integer-overflow-in-thumbnail-buffer-allocation) (high, CVSS 8.4, published 25 Aug 2026)
- [CVE-2026-52492: libtiff integer overflow in rgb2ycbcr cvtRaster](https://junglewise.ai/threats/cve-2026-52492-libtiff-integer-overflow-in-rgb2ycbcr-cvtraster) (high, CVSS 7.8, published 24 Aug 2026)
- [CVE-2026-4775: libtiff signed integer overflow in putcontig8bitYCbCr44tile](https://junglewise.ai/threats/cve-2026-4775-libtiff-signed-integer-overflow-in-putcontig8bitycbcr44tile) (high, CVSS 7.8, published 24 Mar 2026)
- [CVE-2016-9453: LibTIFF out-of-bounds write in tiff2pdf](https://junglewise.ai/threats/cve-2016-9453-libtiff-out-of-bounds-write-in-tiff2pdf) (high, CVSS 7.8, published 27 Jan 2017)
- [CVE-2023-52356: libtiff heap buffer overflow in TIFFReadRGBATileExt](https://junglewise.ai/threats/cve-2023-52356-libtiff-heap-buffer-overflow-in-tiffreadrgbatileext) (high, CVSS 7.5, published 25 Jan 2024)
- [CVE-2016-9448: LibTiff NULL pointer dereference in TIFFFetchNormalTag](https://junglewise.ai/threats/cve-2016-9448-libtiff-null-pointer-dereference-in-tifffetchnormaltag) (high, CVSS 7.5, published 27 Jan 2017)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 3 | 1 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 1 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "LibTIFF vulnerabilities", https://junglewise.ai/threats/technologies/libtiff, 9 November 2026.