CVE-2017-7875: feh_project feh Out-of-bounds Write
Vulnerability summary
CVE-2017-7875 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in feh_project feh. EPSS estimates a 2.27% chance of exploitation in the next 30 days, higher than 83% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 04-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 14-04-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In wallpaper.c in feh before v2.18.3, if a malicious client pretends to be the E17 window manager, it is possible to trigger an out-of-boundary heap write while receiving an IPC message. An integer overflow leads to a buffer overflow and/or a double free.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.27%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.27% on 05-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- feh< 2.18-2 | < 2.12-1+deb8u1 | < 2.3-2+deb7u1
Feh_project1 product
- feh≤ 2.18.2
Mageia1 product
- feh< 2.18.3-1.mga5
Opensuse1 product
- feh&distro=openSUSE Tumbleweed< 3.7-1.3
Ubuntu1 product
- fehAll versions (No fix recorded) | < 2.14-1ubuntu0.1~esm1
5 vendors · 5 products
References
13 links- github.com/derf/feh/commit/f7a547b7ef8fc8ebdeaa4c28515c9d72e592fb6dX Refsource CONFIRMPatchVendor AdvisoryREPORT
