PatchTheCVECVE-2023-52355: An out-of-memory flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFR
CVE-2023-52355 is a high-severity flaw (CVSS 7.5) affecting libtiff, enterprise linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An out-of-memory flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFRasterScanlineSize64() API. This flaw allows a remote attacker to cause a denial of service via a crafted input with a size smaller than 379 KB.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.8% (top 21%) |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2024-01-25 |
| Last modified | 2026-10-02 |
Last updated 2026-10-02 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-52355?
libtiff: upgrade to 4.6.0; enterprise linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2023-52355 being exploited?
CVE-2023-52355 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-52355 affect?
CVE-2023-52355 affects libtiff, enterprise linux. Severity is high (CVSS 7.5). An out-of-memory flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFRasterScanlineSize64() API. This flaw allows a remote attacker to cause a denial of service via a crafted input with a size smaller
How urgent is CVE-2023-52355?
Priority 61/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist
Related CVEs
- CVE-2026-4775 HIGH 7.8 UPGRADE MITIGATE A flaw was found in the libtiff library
- CVE-2023-30086 MEDIUM 5.5 DOWNGRADE Buffer Overflow vulnerability found in Libtiff V.4.0.7 allows a local attacker to cause a denial of service vi
- CVE-2023-3576 MEDIUM 5.5 UPGRADE MITIGATE A memory leak flaw was found in Libtiff's tiffcrop utility
- CVE-2025-9165 LOW 2.5 DOWNGRADE A flaw has been found in LibTIFF 4.7.0
- CVE-2025-8961 LOW 3.3 DOWNGRADE A weakness has been identified in LibTIFF 4.7.0