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Fencer Vulns
medium 6.4

CVE-2006-1827 json

Integer signedness error in format_jpeg.c in Asterisk 1.2.6 and earlier allows remote attackers to execute arbitrary code via a length valu…

published 2006-04-18 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-1827

cvss
6.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.0%
EPSS 7.0% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Integer signedness error in format_jpeg.c in Asterisk 1.2.6 and earlier allows remote attackers to execute arbitrary code via a length value that passes a length check as a negative number, but triggers a buffer overflow when it is used as an unsigned length.

Patch / fix

  • asterisk Debian 14 1:1.2.7.1.dfsg-1

debian advisories DEBIAN-CVE-2006-1827

Exploit prediction

7.03% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • cipher.org.uk http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:N/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.