CVE-2019-11926
Insufficient boundary checks when processing M_SOFx markers from JPEG headers in the GD extension could allow access to out-of-bounds memory via a maliciously constructed invalid JPEG input.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Insufficient boundary checks when processing M_SOFx markers from JPEG headers in the GD extension could allow access to out-of-bounds memory via a maliciously constructed invalid JPEG input. This issue affects HHVM versions prior to 3.30.9, all versions between 4.0.0 and 4.8.3, all versions between 4.9.0 and 4.15.2, and versions 4.16.0 to 4.16.3, 4.17.0 to 4.17.2, 4.18.0 to 4.18.1, 4.19.0, 4.20.0 to 4.20.1.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.29% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-125
- Affected
- facebook/hhvm
- Source
- cve-assign@fb.com
References
- https://github.com/facebook/hhvm/commit/f9680d21beaa9eb39d166e8810e29fbafa51ad15Patch, Third Party Advisory
- https://hhvm.com/blog/2019/09/03/security-update.htmlThird Party Advisory
- https://www.facebook.com/security/advisories/cve-2019-11926Vendor Advisory
- https://github.com/facebook/hhvm/commit/f9680d21beaa9eb39d166e8810e29fbafa51ad15Patch, Third Party Advisory
- https://hhvm.com/blog/2019/09/03/security-update.htmlThird Party Advisory
- https://www.facebook.com/security/advisories/cve-2019-11926Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.