PT-2018-18368 · Libvips+3 · Libvips+3

Published 2018-03-09 · Updated 2025-01-17 · CVE-2018-7998

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: libvips versions prior to 8.6.3

Description: A NULL function pointer dereference issue was found in the vips region generate function, which can be exploited by remote attackers using a crafted image file. This issue arises due to a race condition involving a failed delayed load and other worker threads, potentially leading to a denial of service or other unspecified impacts.

Recommendations: For versions prior to 8.6.3, update to version 8.6.3 or later to resolve the issue. As a temporary workaround, consider restricting the processing of image files from untrusted sources until the update is applied.

Exploit

Fix

DoS

Race Condition

NULL Pointer Dereference

Weakness Enumeration

CWE-362

CWE-476

Related Identifiers

ALT-PU-2020-1098

ALT-PU-2020-2977

ALT-PU-2025-1396

CVE-2018-7998

DLA-1306-1

USN-6437-1

Affected Products

Alt Linux

Linuxmint

Ubuntu

Libvips

References · 17

• 🔥 https://github.com/jcupitt/libvips/issues/893 · Exploit
• https://github.com/jcupitt/libvips/commit/20d840e6da15c1574b3ed998bc92f91d1e36c2a5 · Patch
• https://ubuntu.com/security/CVE-2018-7998 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-7998 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6976 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-40032 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6437-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-27847 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-7998 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-20739 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-7998 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-7998 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-7998 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-7998 · Security Note
• https://ubuntu.com/security/notices/USN-6437-1 · Vendor Advisory