CVE-2019-11925: facebook hhvm
Vulnerability summary
CVE-2019-11925 is a critical (CVSS 9.8) vulnerability in facebook hhvm. EPSS estimates a 2.08% chance of exploitation in the next 30 days, higher than 81.2% of scored vulnerabilities.
Timeline
- 06-09-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Insufficient boundary checks when processing the JPEG APP12 block marker 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 metrics
3 scores · 2 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
EPSS trend
Probability
2.08%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.08% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
Affected systems
Facebook1 product
- hhvm4.21.0 | 4.20.2 | ≥ 4.20.0, < unspecified | 4.19.1 | ≥ 4.19.0, < unspecified | 4.18.2 | ≥ 4.18.0, < unspecified | 4.17.3 | ≥ 4.17.0, < unspecified | 4.16.4 | ≥ 4.16.0, < unspecified | 4.15.3 | ≥ 4.9.0, < unspecified | 4.8.4 | ≥ 4.0.0, < unspecified | 3.30.10 | ≥ unspecified, ≤ 3.30.9 | ≤ 3.30.9 | ≥ 4.0.0, ≤ 4.8.3 | ≥ 4.9.0, ≤ 4.15.2 | ≥ 4.16.0, ≤ 4.16.3 | ≥ 4.17.0, ≤ 4.17.2 | ≥ 4.18.0, ≤ 4.18.1 | ≥ 4.20.0, ≤ 4.20.1 | 4.19.0
Ubuntu1 product
- hhvmAll versions (No fix recorded)
2 vendors · 2 products
References
5 links- github.com/facebook/hhvm/commit/f1cd34e63c2a0d9702be3d41462db7bfd0ae7da3X Refsource CONFIRMPatchREPORT