10

CVE-2009-2463: mozilla firefox Numeric Errors

Modified
AliasesDEBIAN-CVE-2009-2463
Published 22-07-2009Last modified 07-08-2024

Vulnerability summary

CVE-2009-2463 is a high (CVSS 10.0) Numeric Errors vulnerability in mozilla firefox. EPSS estimates a 6.43% chance of exploitation in the next 30 days, higher than 93.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 10, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
6.43%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6
DSA-1931-1DSA-2025-1RHSA-2009:1162RHSA-2009:1163RHSA-2010:0153RHSA-2010:0154

Timeline

  1. 22-07-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Multiple integer overflows in the (1) PL_Base64Decode and (2) PL_Base64Encode functions in nsprpub/lib/libc/src/base64.c in Mozilla Firefox before 3.0.12, Thunderbird before 2.0.0.24, and SeaMonkey before 1.1.19 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors that trigger buffer overflows.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

6.43%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

No change 0.00 pp

From 6.43% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Mozilla2 products
  • firefox0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.6.1 | 0.7 | 0.7.1 | 0.8 | 0.9 | 0.9:rc | 0.9.1 | 0.9.2 | 0.9.3 | 0.9_rc | 0.10 | 0.10.1 | 1.0 | 1.0:preview_release | 1.0.1 | 1.0.2 | 1.0.3 | 1.0.4 | 1.0.5 | 1.0.6 | 1.0.7 | 1.0.8 | 1.4.1 | 1.5 | 1.5:beta1 | 1.5:beta2 | 1.5.0.1 | 1.5.0.2 | 1.5.0.3 | 1.5.0.4 | 1.5.0.5 | 1.5.0.6 | 1.5.0.7 | 1.5.0.8 | 1.5.0.9 | 1.5.0.10 | 1.5.0.11 | 1.5.0.12 | 1.5.1 | 1.5.2 | 1.5.3 | 1.5.4 | 1.5.5 | 1.5.6 | 1.5.7 | 1.5.8 | 1.8 | 2.0 | 2.0:beta_1 | 2.0:beta1 | 2.0:rc2 | 2.0:rc3 | 2.0.0.1 | 2.0.0.2 | 2.0.0.3 | 2.0.0.4 | 2.0.0.5 | 2.0.0.6 | 2.0.0.7 | 2.0.0.8 | 2.0.0.9 | 2.0.0.10 | 2.0.0.11 | 2.0.0.12 | 2.0.0.13 | 2.0.0.14 | 2.0.0.15 | 2.0.0.16 | 2.0.0.17 | 2.0.0.18 | 2.0.0.19 | 2.0.0.20 | 2.0.0.21 | 2.0_.1 | 2.0_.4 | 2.0_.5 | 2.0_.6 | 2.0_.7 | 2.0_.9 | 2.0_.10 | 2.0_8 | 3.0 | 3.0:alpha | 3.0:beta2 | 3.0:beta5 | 3.0.1 | 3.0.2 | 3.0.3 | 3.0.4 | 3.0.5 | 3.0.6 | 3.0.7 | 3.0.8 | 3.0.9 | 3.0.10
  • thunderbird2.0.0.0 | 2.0.0.1 | 2.0.0.2 | 2.0.0.3 | 2.0.0.4 | 2.0.0.5 | 2.0.0.6 | 2.0.0.7 | 2.0.0.8 | 2.0.0.9 | 2.0.0.11 | 2.0.0.12 | 2.0.0.13 | 2.0.0.14 | 2.0.0.15 | 2.0.0.16 | 2.0.0.17 | 2.0.0.18 | 2.0.0.19 | 2.0.0.20 | 2.0.0.21
Debian1 product
  • nspr< 4.8.2-1

2 vendors · 3 products

References

29 links
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