CVE-2017-7962 json
The iwgif_read_image function in imagew-gif.c in libimageworsener.a in ImageWorsener 1.3.0 allows remote attackers to cause a denial of ser…
published 2017-04-19 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16932
- cvss
- 5.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
The iwgif_read_image function in imagew-gif.c in libimageworsener.a in ImageWorsener 1.3.0 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted file.
Patch / fix
Exploit prediction
1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- blogs.gentoo.org https://blogs.gentoo.org/ago/2017/04/17/imageworsener-divide-by-zero-in-iwgif_record_pixel-imagew-gif-c/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-369 Divide By Zero
References
-
github.com
/jsummers/imageworsener/commit/ca3356eb49fee03e2eaf6b6aff826988c1122d93
patch, third-party-advisory
-
blogs.gentoo.org
/ago/2017/04/17/imageworsener-divide-by-zero-in-iwgif_record_pixel-imagew-gif-c/
exploit, patch, third-party-advisory
-
github.com
/jsummers/imageworsener/issues/15
issue-tracking, patch, vendor-advisory
-
security.gentoo.org
/glsa/201706-06
vendor-advisory, third-party-advisory
Sources
- CVE List CVE-2017-7962
- NVD CVE-2017-7962
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.