CVE-2020-18652
Description
Buffer overflow in exempi <=2.5.0 allows remote DoS via crafted WebP file.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Buffer overflow in exempi <=2.5.0 allows remote DoS via crafted WebP file.
Vulnerability
A buffer overflow vulnerability exists in the WEBP_Support.cpp file of exempi version 2.5.0 and earlier. An attacker can trigger the overflow by opening a crafted WebP file, leading to a denial of service.
Exploitation
An attacker must craft a malicious WebP file and convince a user to open it with an application using exempi. No authentication is required, and the attack can be performed remotely.
Impact
Successful exploitation causes a denial of service, potentially crashing the application.
Mitigation
As of the publication date, no fix is publicly disclosed. The issue is tracked in the exempi repository [1] and a commit reference exists [2], but details are not available. Users should monitor for updates.
AI Insight generated on May 26, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
8- exempi/exempidescription
- osv-coords6 versionspkg:rpm/almalinux/exempipkg:rpm/almalinux/exempi-develpkg:rpm/opensuse/exempi&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/exempi&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/exempi&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP4pkg:rpm/suse/exempi&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP5
< 2.4.5-4.el8+ 5 more
- (no CPE)range: < 2.4.5-4.el8
- (no CPE)range: < 2.4.5-4.el8
- (no CPE)range: < 2.4.5-150000.3.6.1
- (no CPE)range: < 2.4.5-150000.3.6.1
- (no CPE)range: < 2.4.5-150000.3.6.1
- (no CPE)range: < 2.4.5-150000.3.6.1
Patches
0No patches discovered yet.
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
3News mentions
0No linked articles in our index yet.