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CVE-2011-1027: fedoraproject fedora Off-by-one Error

CVSS: 5.0v2.0MediumModified
Published 20-03-2011Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2011-1027 is a medium (CVSS 5.0) Off-by-one Error vulnerability in fedoraproject fedora. EPSS estimates a 3.75% chance of exploitation in the next 30 days, higher than 89.7% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
3.75%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 20-03-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.75%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 3.75% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.75%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (securityfocus.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (bugzilla.redhat.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Fedoraproject1 product
Lars_hjemli1 product
  • cgit≤ 0.8.3.4 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.6.1 | 0.6.2 | 0.6.3 | 0.7 | 0.7.1 | 0.7.2 | 0.8 | 0.8.1 | 0.8.1.1 | 0.8.2 | 0.8.2.1 | 0.8.2.2 | 0.8.3 | 0.8.3.1 | 0.8.3.2 | 0.8.3.3

2 vendors · 2 products

References

13 links
Show all 13 references