6.8

CVE-2011-4315: f5 nginx Out-of-bounds Write

CVSS: 6.8v2.0MediumModified
AliasesDEBIAN-CVE-2011-4315
Published 08-12-2011Last modified 07-08-2024

Vulnerability summary

CVE-2011-4315 is a medium (CVSS 6.8) Out-of-bounds Write vulnerability in f5 nginx. EPSS estimates a 5.96% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
5.96%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 08-12-2011
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow in compression-pointer processing in core/ngx_resolver.c in nginx before 1.0.10 allows remote resolvers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a long response.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

5.96%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

0.00 pp

From 5.96% on 18-09-2026

18-09-202618-10-2026
EPSS score
5.96%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse3 products
Debian1 product
  • nginx< 1.1.8-1
F51 product
  • nginx≥ 0.6.18, < 1.0.10 | ≥ 1.1.0, ≤ 1.1.7
Fedoraproject1 product

4 vendors · 6 products

References

11 links
Show all 11 references