CVE-2003-0843

highpriority · track · 31EPSS 0.023 · 83 %ileEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
2.32% (83rd) EPSS
CVSS 7.5 · high
Is it mine?
2 products
Check your exposure
Who says so?
2 sources
enisa_euvd · nvd

EPSS · scored 2026-10-27

Format string vulnerability in mod_gzip_printf for mod_gzip 1.3.26.1a and earlier, and possibly later official versions, when running in debug mode and using the Apache log, allows remote attackers to execute arbitrary code via format string characters in an HTTP GET request with an "Accept-Encoding: gzip" header.

01

cvss

Technical severity, 0–10. One row per scoring source.

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4
v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-134USLLM-inferredCWE-78USLLM-inferred
03

affected products (2)

Products and version ranges known to be affected.

04

also known as (2)

Other names and identifiers for this entity.

05

sources

Which sources assert this record, and when.

enisa_euvdnvdNVDCVE.orgMITRE
published 2003-11-17modified 2026-06-16
06

references (2)

External citations — patches, advisories, analysis.

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