NULL pointer dereference in Libvips
CVE-2018-7998
In libvips before 8.6.3, a NULL function pointer dereference vulnerability was found in the vips_region_generate function in region.c, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted image file. This occurs because of a race condition involving a failed delayed load and other worker threads.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Libvips
- Debian Linux — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/jcupitt/libvips/commit/20d840e6da15c1574b3ed998bc92f91d1e36c2a5 (Patch)
- github.com/jcupitt/libvips/issues/893 (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/03/msg00009.html (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-7998?
- CVE-2018-7998 is a high-severity vulnerability in Libvips, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2018-03-09.
- How severe is CVE-2018-7998?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-7998 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.