CVE-2019-17534 — vips_foreign_load_gif_scan_image in foreign/gifload

vips_foreign_load_gif_scan_image in foreign/gifload.c in libvips before 8.8.2 tries to access a color map before a DGifGetImageDesc call, leading to a use-after-free.

01What is this vulnerability?

vips_foreign_load_gif_scan_image in foreign/gifload.c in libvips before 8.8.2 tries to access a color map before a DGifGetImageDesc call, leading to a use-after-free.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-10-13T01:59:34.000Z
• Last modified: 2024-08-05T01:40:15.919Z

09References

• github.com — https://github.com/libvips/libvips/compare/v8.8.1...v8.8.2
• bugs.chromium.org — https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16796
• github.com — https://github.com/libvips/libvips/commit/ce684dd008532ea0bf9d4a1d89bacb35f4a83f…