CVE-2022-31796
MEDIUMCVSS 6.5/10EPSS 0.86%
Last modified
CVE-2022-31796 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.
Description
libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jpeg | Libjpeg | 1.63 |
References
- https://github.com/thorfdbg/libjpeg/commit/187035b9726710b4fe11d565c7808975c930895dPatch, Third Party Advisory
- https://github.com/thorfdbg/libjpeg/issues/71Third Party Advisory
- https://github.com/thorfdbg/libjpeg/commit/187035b9726710b4fe11d565c7808975c930895dPatch, Third Party Advisory
- https://github.com/thorfdbg/libjpeg/issues/71Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-31796?
libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.
How severe is CVE-2022-31796?
CVE-2022-31796 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.
How do I fix CVE-2022-31796?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-31796?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST